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Clark Planetarium Staff

The director and operators at Clark Planetarium are dedicated to providing you with a great planetarium experience. Here's a brief glimpse at who they are:

Dr. Tim Hamilton (Director)

Dr. Hamilton is an Assistant Professor of Physics and the Director of the Clark Planetarium here at Shawnee State University. He teaches Scientific Reasoning, Astronomy, and Physics. His research interests include quasars and their host galaxies, ultra high-energy cosmic rays (UHECR's) and compact dynamos as their emitters, supermassive black hole growth, and galaxy evolution. You can read more about Dr. Hamilton here.

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Rachel Weidringer (Operator)

Rachel Weidringer is studying Art Eduacation at Shawnee State University.  She plans to further advance her degree and become a univeristy professor.  Rachel is always looking for ways to help out in the community.  She can also be found volunteering at Sierra's Heaven and playing piano for her church. She's very interested in astronomy, art, and music. She is also very active with playing piano, guitar, and singing in the campus choir.  Often, you can see her running around campus attending many clubs such as Fantanime, The Other World Society (Vice President), Environmental Club, and MusicUS.  Rachel enjoys watching anime and playing Dungeons and Dragons with her friends.

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James Leach (Operator)

James Leach joined the Clark Planetarium family in the fall of 2009 and is currently our newest operator. He is currently a Senior in the Shawnee State University Game Simulation and Design program and hopes to someday work on a large triple A title for a large game company like Electronic Arts or CCP Games.Email him


Cory Roth (Operator)

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Doug Kememer (Volunteer Operator)

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Hall of Fame

Below is a look at the past operators of the Clark Planetarium and their final Bios:

Scott Ewing (Operator)

After ten years of service as a reactor operator and electrician on submarines in the US Navy, and ten years in nuclear safety procedures and radiological waste disposition, Scott is back in school studying for a degree in Mathematics. After graduation, Scott plans to teach high school math while pursuing a Masters degree in Astrophysics. Outside of his studies and work at the planetarium, Scott enjoys spending time with his four children, and can frequently be found on the tennis court or golf course. Scott is originally from Indianapolis, IN.


Steven Biars (Operator)

A native of Portsmouth, Steven may be one of the more interesting characters at the Clark Planetarium. You can usually find him out on the levee on clear summer and fall nights, searching the skies with our Celestron telescope. A Senior in Mathematical Science, Steven plans to pursue a Masters degree in Civil or Mechanical Engineering while continuing research regarding high energy impacts (specifically, the study of ejecta fields). This is particularly interesting, considering Steven was formerly an MLRS (Multiple Launch Rocket Systems) crewmember in the US Army. Outside of the planetarium, Steven is active in environmental conservation and alternative energy developments. At present, Steven is learning to speak German while studying gravitational fields and the heliosphere.


Arthur Bogard (Senior Operator)

Arthur Bogard, Senior Operator at the Clark Planetarium, is a Senior in Mathematical Science at Shawnee State University concentrating in Statistics. From a long line of educators, Arthur continually employs new methods to teach students. He is a 26 year old veteran from Marion, Ohio and is celebrating his five year anniversary with his wife Danielle in July 2010. When not in school, Arthur often works as a maintenance crew chief on C-130s at the 179th AW as a sergeant in the Ohio Air National Guard. With six years of service in, he and Danielle continue to evaluate their options post-college.

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