Physical Sciences Faculty & Staff Department Chair Dr. Tim Wiser Interim Chair of Physical Sciences; Associate Professor of Physics tdwiser@truman.edu (660) 785-4603 (Fall 2026) Open Office Hours: MTW 9:30a–10:20a MW 1:30p–3:20p RF by appointment For 1-on-1 office hours or advising: Personal Pronouns: he/him Administrative Assistant Stacey Xander Administrative Assistant - Physical Sciences sxander@truman.edu (660) 785-7599 8:00am - 5:00pm (closed for lunch) Faculty Dr. Debashis Basu Assistant Professor of Chemistry dbasu@truman.edu (660) 785-4634 Office Hours (Fall 2026): Mon, Tue, Wed: 3:00 PM – 5:00 PM (MG 3112) Tue: 1:30 – 3:00 PM (CCC – MG3090) Personal Pronouns: he/him/his Ian Clark Assistant Professor of Physics iclark@truman.edu (660) 785-4316 General Office Hours: MWF 1:30 PM - 2:30 PM; R 10:30 AM - 11:30 AM Dedicated PHYS 132 Office Hour: M 2:30 PM - 3:30 PM Dedicated PHYS 185 Office Hour: W 2:30 PM - 3:30 PM You can also stop by any time my office door is open. Other times can also be arranged by appointment. Dr. Colin DeGraf Assistant Professor of Physics cdegraf@truman.edu (660) 785-4070 Fall 2026 (subject to change): Mon: 10:30-11:20, 1:30-2:20 Wed: 10:30-11:20, 1:30-2:20 Thur: 1:30-3:20 Fri: 10:30-11:20, 1:30-2:20 Personal Pronouns: He/Him Dr. Taner Edis Professor of Physics edis@truman.edu (660) 785-4583 . Dr. Vayujeet Gokhale Professor of Physics gokhale@truman.edu (660) 785-4594 Personal Pronouns: He/Him/His Dr. John Grutsch Assistant Professor of Chemistry jgrutsch@truman.edu (660) 785-4524 Dr. Hanbo Hong Assistant Professor of Chemistry hhong@truman.edu (660) 785-4625 Fall 2026: Mon: 3 ~ 4:30 PM, MG 3090 (Chemistry Contact Center, "C3"). Tue, Wed, Thu, Fri: 3 ~ 5 PM, MG 3144 Open to PChem students only: Mon, 5 ~ 6:30 PM, MG 1090 Personal Pronouns: he/him/his Dr. Tim Humphry Associate Professor of Chemistry humphry@truman.edu (660) 785-4606 For FA26, my office hours are MWF 9:30-10:30 and 11:30-12:30, and thursday 12:30-1:30. For students in my classes, my office hours are effectively 24h a day via GroupMe. If you want to meet on a different time or day, send me an email or a GroupMe and we will set it up. Dr. Rasanjali Jayathissa Assistant Professor of Physics rjaya@truman.edu (660) 785-4613 M 11.30 -12.30 and 3.30 - 5.00 W 11.30 -12.30 and 3.30 - 5.00 R 3.30 - 5.00 F 12.30 -1.30 and 3.30-5.00 Personal Pronouns: She/ her Dr. Andrew Kauffmann Assistant Professor of Chemistry akauffmann@truman.edu (660) 785-7736 MWF: 9:00 AM - 10:00 AM T: 9:00 AM - 12:00 PM WF: 3:30 PM - 4:30 PM Dr. Barbara Kramer Professor of Chemistry bkramer@truman.edu (660) 785-7608 Current office hours are at Personal Pronouns: She/her Dr. Brian Lamp Interim Associate Dean; Professor of Chemistry blamp@truman.edu (660) 785-4638 Current office hours are at Personal Pronouns: him/his Dr. James McCormick Associate Professor of Chemistry jmccormi@truman.edu (660) 785-4315 Monday, Wednesday, Friday: 9:00 AM - 12:00 PM. Wednesday: 3:00 PM - 4:30 PM Chemsistry Contact Center MG 3090. Any other time when I am not in class or otherwise scheduled is available to meet with students. Email or call me to set up a time. All office hours are in person, but can also be via Zoom at . Please let me know if you would like to attend via Zoom, so that I can get things set up. Dr. Peter Ramberg Professor of History of Science ramberg@truman.edu (660) 785-4620 M: 9:30-11:00 (Chemistry Contact Center hours in MG 3090, but available for anything) T: 1:00-2:30 Th: 1:00-2:30 F: 9:30-11:00 Or by appointment. or in-person. Dr. Jay Sibbitts Assistant Professor of Chemistry jsibbitts@truman.edu (660) 785-4604 Dr. Urvashi Urvashi Assistant Professor of Chemistry urvashi@truman.edu (660) 785-4591 Office (MG 3140): We want to support your success! Don’t hesitate to reach out with any questions or concerns. M: 9:30-10:30 AM, 3:00-5:00 PM; F: 1:30-2:30 PM; W: 9:30-10:30 AM, 3:00-4:00 PM; W (C^3): 1:30-3:00 PM Appointments are also available! Zoom sessions are encouraged Personal Pronouns: She/Hers/herself Dr. Tim Wiser Interim Chair of Physical Sciences; Associate Professor of Physics tdwiser@truman.edu (660) 785-4603 (Fall 2026) Open Office Hours: MTW 9:30a–10:20a MW 1:30p–3:20p RF by appointment For 1-on-1 office hours or advising: Personal Pronouns: he/him Laboratory Technicians Heather Ervin Chemistry Technician and Laboratory Coordinator hervin@truman.edu (660) 785-7254 Nathaniel Webber Chemistry Technician nwebber@truman.edu (660) 785-4411 Personal Pronouns: he/him/his