Physical Sciences Faculty & Staff Department Chair Dr. Tim Wiser Interim Chair of Physical Sciences; Associate Professor of Physics tdwiser@truman.edu (660) 785-4603 (Spring 2026) Open Office Hours: MW 2:30p–3:20p T 3p-4:20p 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 Faculty Dr. Colin DeGraf Assistant Professor of Physics cdegraf@truman.edu (660) 785-4070 Spring 2026 Office Hours: Monday: 11:30-12:20, 4:30-5:20 Tuesday: 11:30-12:20 Wednesday: 11:30-12:20 Thursday: 2:00-3:50 Friday: 11:30-12:20 In addition, please feel free to stop in anytime I'm around! 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 Spring 2026: Mon: 3 ~ 5 PM, MG 3090 (Chemistry Contact Center, "C3"). Tue: 9:30 ~ 11:30 AM, MG 3144 Wed, Thu, Fri: 3 ~ 5 PM, MG 3144 Personal Pronouns: he/him/his Dr. Tim Humphry Associate Professor of Chemistry humphry@truman.edu (660) 785-4606 For FA23, my office hours are MWF 10:30-11:30. For students in my classes, my office hours are effectively 24h a day via GroupMe. As always, 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 10.30 -12.30 and 2.30 - 3.30 T 11.30 – 12.30 W 10.30 -12.30 and 2.30 - 3.30 R 11.30 - 12.30 F 10.30 -11.30 and as arranged by an appointment Personal Pronouns: She/ her Dr. Andrew Kauffmann Assistant Professor of Chemistry akauffmann@truman.edu (660) 785-7736 MW: 9:00 AM - 11:00 AM T: 1:30 PM - 3:30 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) 785-7251 Current semester schedule is at Personal Pronouns: him/his Dr. James McCormick Associate Professor of Chemistry jmccormi@truman.edu (660) 785-4315 Monday: 1:30 PM - 5:00 PM. Wednesday: 1:30 PM - 5:00 PM Physical Chemistry Study Hall in Contact Center MG 3090. Thursday: 2:30 PM - 5:00 PM. 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 MTWF: 10:30-12:00 (Monday in the Chemistry Contact Center, 11:00-12:20) Or by appointment. or in-person. Dr. Jay Sibbitts Assistant Professor jsibbitts@truman.edu (660) 785-7599 Dr. Tim Wiser Interim Chair of Physical Sciences; Associate Professor of Physics tdwiser@truman.edu (660) 785-4603 (Spring 2026) Open Office Hours: MW 2:30p–3:20p T 3p-4:20p 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 Misc. Ian Clark iclark@truman.edu