CS 421: Programming Languages and Compilers
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News for Fall 2025
  • 8/28/25 - I have made up a form for students to use to request a Time Conflict Override for this course. It can be found at https://forms.gle/Gj61VKYyPhUda3nG9. If you need such an override to complete your schedule registraion, please fill out the form by 5:00pm Tuesday September 2, 2025. - ELG
  • 8/26/25 - Welcome to CS421, Fall 2025, at 12:30pm TR in Foelinger Auditorium. This page will be the main bulletin board for the CS 421 lectures, and hence is always under construction. Please check it frequently. Essential notices will be posted here.
    We will be using PrairieLearn this semester. Please go to https://www.prairielearn.org and add

    CS 421: Programming Languages and Compilers, Fall 2025

    as one of your courses there for this semester. - ELG
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    Class Schedule
    Lecture:
    Tues, Thurs 12:30pm - 1:45pm
    Foeliinger Auditorium

    Zoom Info:
    Meeting Id: 838 6324 1301
    Passcode: cs421
    URL: https://illinois.zoom.us/j/83863241301?pwd=U2dtRm9RUmhVQUw4d3dFOVJxNHY4UT09
    Info for Office Hours
    Urbana: Tutoring Center (TC), Siebel Center basement

    Staff
    Instructor
    Elsa Gunter
    Email: egunter@illinois.edu
    Office: 2112 SC
    Office Hours Info:
    TBD SC 2112 and Zoom
    TBD SC 2112 and Zoom
    Also by appointment
    Teaching Assistants for CS 421
    Aryan Arora
    Email: aarora14@illinois.edu
    Office Hours Info:
    Mon 3-4pm TC
    Tue 2-3pm TC
    Hrishikesh Balakrishnan
    Email: hb19@illinois.edu
    Office Hours Info:
    Mon 4-5pm TC
    Thu 3:30-4:30pm TC
    Ali Reza Ibrahimzada
    Email: alirezai@illinois.edu
    Office Hours Info:
    Fri 2-4pm TC
    Nausheen Mohammed
    Email: jnm6@illinois.edu
    Office Hours Info:
    Thu 9:30-10:30am Zoom
    Thu 2-3pm TC
    Shuai Wang
    Email: swang516@illinois.edu
    Office Hours Info:
    Wed 2-3pm Zoom
    Wed 3-4pm TC
    Tianyang Zhou
    Email: tz64@illinois.edu
    Office Hours Info:
    Tue 11am-12pm Zoom
    Tue 3:30-4:30pm TC
    Grace He
    Email: gche3@illinois.edu
    Office Hours Info:
    Mon 11am-12pm TC
    Wed 11am-12pm TC