Kotlin
Java

Contributors

CS 124 is a collaborative project. We actively solicit contributions to our lesson content to both help explain concepts better and diversify the voice with which the course speaks.

The following 238 staff members have together made 1094 contributions to CS 124. Click on any icon to view their contribution.

Lesson Walkthrough
Solution Walkthrough
Lesson Video
MP Video

Staff

Carlos Inigo Fernandez

Carlos Inigo Fernandez

42 contributions

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Miguel Fernandez

Miguel Fernandez

31 contributions

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Jackie Chan

Jackie Chan

29 contributions

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Rachanon Petchoo

Rachanon Petchoo

22 contributions

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Carl Edwards

Carl Edwards

21 contributions

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Arnav Sethi

Arnav Sethi

21 contributions

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Benjamin Chang

Benjamin Chang

19 contributions

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Jacob Chang

Jacob Chang

19 contributions

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Hyunho Kim

Hyunho Kim

16 contributions

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Rohan Gudipaty

Rohan Gudipaty

16 contributions

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Thomas Cai

Thomas Cai

16 contributions

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Ruisong Li

Ruisong Li

15 contributions

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Sam Erens

Sam Erens

15 contributions

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Tom Sui

Tom Sui

13 contributions

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Yuxuan Chen

Yuxuan Chen

12 contributions

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Ben Clarage

Ben Clarage

12 contributions

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Kaan Yigit

Kaan Yigit

12 contributions

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Matt Twyman

Matt Twyman

11 contributions

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Boyang Sun

Boyang Sun

11 contributions

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Zuhair Ali

Zuhair Ali

10 contributions

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Zijing Wei

Zijing Wei

10 contributions

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Ahmed Hasan

Ahmed Hasan

10 contributions

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Collin Fox

Collin Fox

10 contributions

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Hrishikesh Kalyanaraman

Hrishikesh Kalyanaraman

10 contributions

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Prith Balaji

Prith Balaji

9 contributions

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Sriya Mikkilineni

Sriya Mikkilineni

9 contributions

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Adelia Solarman

Adelia Solarman

9 contributions

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Nathaniel Zukowski

Nathaniel Zukowski

8 contributions

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Maaheen Maajed

Maaheen Maajed

8 contributions

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Cristian Flores

Cristian Flores

8 contributions

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Brendan Biernacki

Brendan Biernacki

8 contributions

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Anushree Tibrewal

Anushree Tibrewal

8 contributions

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Arghya Srivastav

Arghya Srivastav

8 contributions

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Rohan Shah

Rohan Shah

8 contributions

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Alex Gong

Alex Gong

7 contributions

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Amirthavarshini Sureshbabu

Amirthavarshini Sureshbabu

7 contributions

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Lexi Ippolito

Lexi Ippolito

7 contributions

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Hania Dziurdzik

Hania Dziurdzik

7 contributions

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Meera Jagannathan

Meera Jagannathan

7 contributions

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Niharika Bhattacharjee

Niharika Bhattacharjee

7 contributions

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Haosen Yao

Haosen Yao

7 contributions

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Justin Kim

Justin Kim

7 contributions

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Anagha Shenoy

Anagha Shenoy

7 contributions

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Eugene Jang

Eugene Jang

6 contributions

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Grace Jia

Grace Jia

6 contributions

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Nancy Jia

Nancy Jia

6 contributions

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Anakin Dey

Anakin Dey

6 contributions

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Ishika Awachat

Ishika Awachat

6 contributions

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Monica Para

Monica Para

6 contributions

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Carolyn Zeng

Carolyn Zeng

6 contributions

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Saagar Kolachina

Saagar Kolachina

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Prem Dhoot

Prem Dhoot

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Anirudh Kumar

Anirudh Kumar

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Diego Taveras

Diego Taveras

6 contributions

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Zhuoang Tao

Zhuoang Tao

6 contributions

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Harsh Deep

Harsh Deep

5 contributions

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Amaan Mirza

Amaan Mirza

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Jonathan You

Jonathan You

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Arjun Prabhu

Arjun Prabhu

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Delu Zhao

Delu Zhao

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Zhilan Wang

Zhilan Wang

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Mike Cheng

Mike Cheng

5 contributions

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Sarah O'Sullivan

Sarah O'Sullivan

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Aashi Tyagi

Aashi Tyagi

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Leo Li

Leo Li

4 contributions

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Daniel Rugutt

Daniel Rugutt

4 contributions

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Youngmin Jeon

Youngmin Jeon

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Jongwoo Jeon

Jongwoo Jeon

4 contributions

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Rylan Turner

Rylan Turner

4 contributions

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Rahul Kalle

Rahul Kalle

4 contributions

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Matt Yang

Matt Yang

4 contributions

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Aditya Joshi

Aditya Joshi

4 contributions

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Saurav Chittal

Saurav Chittal

4 contributions

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Zetai Liu

Zetai Liu

4 contributions

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Gargi Balasubramaniam

Gargi Balasubramaniam

4 contributions

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Charlie Rivera

Charlie Rivera

4 contributions

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Arnav Motwani

Arnav Motwani

4 contributions

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Freddy Platinus

Freddy Platinus

4 contributions

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Leena Abdelrahman

Leena Abdelrahman

4 contributions

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Ashley Wang

Ashley Wang

4 contributions

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Stefan Ramli

Stefan Ramli

4 contributions

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Anuprova Bhowmik

Anuprova Bhowmik

4 contributions

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Daniyal Rana

Daniyal Rana

4 contributions

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Samuel Schapiro

Samuel Schapiro

4 contributions

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Larry Liao

Larry Liao

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Prerana Singh

Prerana Singh

4 contributions

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Raul Higareda

Raul Higareda

4 contributions

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Chengze Shen

Chengze Shen

3 contributions

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Ananya Subramanian

Ananya Subramanian

3 contributions

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Ojas Upalekar

Ojas Upalekar

3 contributions

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Tianyun Zhang

Tianyun Zhang

3 contributions

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Violetta Dabros

Violetta Dabros

3 contributions

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Anish Meka

Anish Meka

3 contributions

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Reed Huang

Reed Huang

3 contributions

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Yuhua Weng

Yuhua Weng

3 contributions

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Yu He

Yu He

3 contributions

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Kavin Krishnasami

Kavin Krishnasami

3 contributions

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Ruozhen Yang

Ruozhen Yang

3 contributions

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Bernie Zhu

Bernie Zhu

3 contributions

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Rachel Huang

Rachel Huang

3 contributions

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Di Liang

Di Liang

3 contributions

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Sana Madhavan

Sana Madhavan

3 contributions

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Archna Sobti

Archna Sobti

3 contributions

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Milosz Dabrowski

Milosz Dabrowski

3 contributions

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Apramey Hosahalli

Apramey Hosahalli

3 contributions

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Serena Trika

Serena Trika

3 contributions

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Palak Purwar

Palak Purwar

3 contributions

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Vansh Sikka

Vansh Sikka

3 contributions

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Eric Ji

Eric Ji

3 contributions

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Meghna Mavila

Meghna Mavila

3 contributions

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Akul Gupta

Akul Gupta

3 contributions

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Nishit Samarth

Nishit Samarth

3 contributions

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Havish Rani

Havish Rani

3 contributions

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Serlina Ku

Serlina Ku

3 contributions

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Joseph Dubravec

Joseph Dubravec

3 contributions

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Samarth Taneja

Samarth Taneja

3 contributions

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Preston Chao

Preston Chao

3 contributions

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Alyssa Daniels

Alyssa Daniels

3 contributions

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Meghna Gaddam

Meghna Gaddam

3 contributions

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Martina Perez Zuleta

Martina Perez Zuleta

3 contributions

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Jenny Yang

Jenny Yang

3 contributions

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Wendy Ruan

Wendy Ruan

3 contributions

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Ananyaa Tanwar

Ananyaa Tanwar

3 contributions

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Eunice Leung

Eunice Leung

3 contributions

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James Rockey

James Rockey

3 contributions

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Helen Ilkiu

Helen Ilkiu

3 contributions

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David Yang

David Yang

3 contributions

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Will Otani

Will Otani

3 contributions

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Josh Joseph

Josh Joseph

3 contributions

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Vansh Gupta

Vansh Gupta

3 contributions

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Aditi Khanna

Aditi Khanna

3 contributions

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Athena Fung

Athena Fung

3 contributions

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David Ruvinskiy

David Ruvinskiy

3 contributions

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Neel Khare

Neel Khare

3 contributions

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Gabriel Grais

Gabriel Grais

3 contributions

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Andrew Kim

Andrew Kim

3 contributions

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Lenna Park

Lenna Park

3 contributions

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Juyoung Choi

Juyoung Choi

3 contributions

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Becky Blake

Becky Blake

3 contributions

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Aarav Mande

Aarav Mande

3 contributions

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Zhaoyang Chen

Zhaoyang Chen

3 contributions

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Idrees Mohammed

Idrees Mohammed

3 contributions

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Anish Thiriveedhi

Anish Thiriveedhi

3 contributions

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Chris Munoz

Chris Munoz

3 contributions

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Aden Krakman

Aden Krakman

3 contributions

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Jane Liu

Jane Liu

3 contributions

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Jainil Modi

Jainil Modi

3 contributions

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Andrew Lum

Andrew Lum

3 contributions

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Eduardo Martinez

Eduardo Martinez

3 contributions

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Savannah Holly

Savannah Holly

3 contributions

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Tyler Cushing

Tyler Cushing

3 contributions

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Kushal Agarwal

Kushal Agarwal

3 contributions

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Joy Wan

Joy Wan

3 contributions

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Qingping Ye

Qingping Ye

3 contributions

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Ayaan Jabbar

Ayaan Jabbar

3 contributions

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Lina Mei

Lina Mei

3 contributions

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Warren Li

Warren Li

3 contributions

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Elisa Carrillo

Elisa Carrillo

3 contributions

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Louis Qian

Louis Qian

3 contributions

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Daniel Gutierrez

Daniel Gutierrez

3 contributions

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Utkarsh Prasad

Utkarsh Prasad

3 contributions

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Ishq Gupta

Ishq Gupta

3 contributions

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Ken Kim

Ken Kim

2 contributions

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Adrian Russo

Adrian Russo

2 contributions

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Daniel Dilan

Daniel Dilan

2 contributions

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2
Edmon Guan

Edmon Guan

2 contributions

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Alekhya Nathella

Alekhya Nathella

2 contributions

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2
Samuel Hurh

Samuel Hurh

2 contributions

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Sarod Nori

Sarod Nori

2 contributions

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2
Ishan Khandelwal

Ishan Khandelwal

2 contributions

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2
Sabrina Tu

Sabrina Tu

2 contributions

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2
Rohan Sathe

Rohan Sathe

2 contributions

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Kangyu Feng

Kangyu Feng

2 contributions

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Harshit Bagla

Harshit Bagla

2 contributions

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2
Brenda Hariyanto

Brenda Hariyanto

2 contributions

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2
Ayah Jaber

Ayah Jaber

2 contributions

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Alex Che

Alex Che

2 contributions

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Jake Vile

Jake Vile

2 contributions

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Tanay Pareek

Tanay Pareek

2 contributions

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Brandon Dinh

Brandon Dinh

2 contributions

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Janani Jayanth

Janani Jayanth

2 contributions

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Emmanuel Buabeng

Emmanuel Buabeng

2 contributions

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Armin Rafieyan

Armin Rafieyan

2 contributions

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Tina Dou

Tina Dou

2 contributions

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Vaibhav Keshari

Vaibhav Keshari

2 contributions

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Ricky Chen

Ricky Chen

2 contributions

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2
Shao-Min Yeh

Shao-Min Yeh

2 contributions

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2
Yiche Liu

Yiche Liu

2 contributions

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2
Anna Fedczuk

Anna Fedczuk

2 contributions

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2
Allen Guo

Allen Guo

2 contributions

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2
Anna Liu

Anna Liu

2 contributions

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2
Alma Zirojevic

Alma Zirojevic

2 contributions

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2
Rahul Bhatt

Rahul Bhatt

2 contributions

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2
Dawn Lim

Dawn Lim

2 contributions

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2
Joseph Chan

Joseph Chan

2 contributions

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2
Jier Miao

Jier Miao

2 contributions

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2
Tianyi Huang

Tianyi Huang

2 contributions

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2
Shruthi Jaganathan

Shruthi Jaganathan

1 contribution

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Rohan Khatu

Rohan Khatu

1 contribution

1
Blair Wang

Blair Wang

1 contribution

1
Raghav Anand

Raghav Anand

1 contribution

1
Siyuan Ding

Siyuan Ding

1 contribution

1
Anish Jampana

Anish Jampana

1 contribution

1
Tongyun Huang

Tongyun Huang

1 contribution

1
Cindy Su

Cindy Su

1 contribution

1
Matthew Czech

Matthew Czech

1 contribution

1
Thomas Zelichowski

Thomas Zelichowski

1 contribution

1
Vinayak Manepalli

Vinayak Manepalli

1 contribution

1
Mayank Hirani

Mayank Hirani

1 contribution

1
Anisha Raja

Anisha Raja

1 contribution

1
Aadarsh Krishnan

Aadarsh Krishnan

1 contribution

1
Lou Zeh

Lou Zeh

1 contribution

1
Dazhen Chen

Dazhen Chen

1 contribution

1
Nicholas Jung

Nicholas Jung

1 contribution

1
Juan David Campolargo Hoyos

Juan David Campolargo Hoyos

1 contribution

1
Ethan Miranda

Ethan Miranda

1 contribution

1
Meghan Lu

Meghan Lu

1 contribution

1
Aryan Vakharia

Aryan Vakharia

1 contribution

1
Varun Shroff

Varun Shroff

1 contribution

1
Jimmy Berg

Jimmy Berg

1 contribution

1
Adrian Rodriguez

Adrian Rodriguez

1 contribution

1
Jason Barnett

Jason Barnett

1 contribution

1
Aditya Shreenivas Kunte

Aditya Shreenivas Kunte

1 contribution

1
Edward Huang

Edward Huang

1 contribution

1
Siddharth Tangri

Siddharth Tangri

1 contribution

1
Nehal Tangudu

Nehal Tangudu

1 contribution

1
Jason Wu

Jason Wu

1 contribution

1
Carlos Conley

Carlos Conley

1 contribution

1
Aaron Taub

Aaron Taub

1 contribution

1
Abhi Vinnakota

Abhi Vinnakota

1 contribution

1
Connor Flynn

Connor Flynn

1 contribution

1
Keshav Trikha

Keshav Trikha

1 contribution

1
Jessica Ho

Jessica Ho

1 contribution

1
Hamiz Anjum

Hamiz Anjum

1 contribution

1
Ziyin Wang

Ziyin Wang

1 contribution

1
Simon Li

Simon Li

1 contribution

1
Yasmine Munoz

Yasmine Munoz

1 contribution

1
Sally Xue

Sally Xue

1 contribution

1

Instructors

Geoffrey Challen

Geoffrey Challen

829 contributions

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Colleen Lewis

Colleen Lewis

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