Prof. Fritz Umbach
e-mail: gumbach@jjay.cuny.edu (I will only respond to emails from John Jay e-mail accounts)
Office: 08.65.01 New Building
Office Hours: Thursdays 11:05 – 12:05 and by appointment
| texting and calling Mon – Thurs 10 AM – 10 PM Thur / Fri 7 AM – 9 PM Sat – Sun: 11 AM – 9 PM (you can text at other times, but my phone may be on silent)
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(646) 734-7823
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