Staff
Instructor
Henry H. Leitner
leitner@harvard.edu
Head Teaching Fellow
Doug Lloyd
lloyd@cs50.harvard.edu
Teaching Fellows
Christo Savalas
savalas@cs50.harvard.edu
Guy White
guyewhite@cs50.harvard.edu
Nicholas Chebat
nkchebat@g.harvard.edu
This is Fall 2026 of CS50 (aka CSCI E-50) at Harvard Extension School. Looking for Summer 2026 or Spring 2026?
Henry H. Leitner
leitner@harvard.edu
Doug Lloyd
lloyd@cs50.harvard.edu
Christo Savalas
savalas@cs50.harvard.edu
Guy White
guyewhite@cs50.harvard.edu
Nicholas Chebat
nkchebat@g.harvard.edu