"Internet nexus of cultural Judaism" — Examiner.com
Suggestions by Devin from Columbus, Mary from Tinley Park, IL, and Caleb.
He was also on an episode of Freaks and Geeks, as Neal's older brother back from college. Surprised you didn't talk about that one.
Krumholtz played the lead character, Charlie Eppes, in the TV series Numb3rs, which was about a mathematician and his police detective brother working together to solve crimes. For math geeks it was a good series. Krumholz' brother in the show was played by Rob Morrow and their father was played by Judd Hirsch. So Jews were well represented in the program!