Bill Nye

William Sanford Nye —a.k.a. Bill Nye the Science Guy— (born November 27, 1955, Washington, D.C.), is a science educator and comedian who began his career as an engineer at. He is best known as the host of the Disney/PBS children's science show  (1993–98) and for his many subsequent appearances in popular media as a science educator. When portraying "The Science Guy", he wears a light blue lab coat and bow tie, and takes on the persona of an excited, jocular science educator. Nye is a graduate of with a Bachelors of Science degree in Mechanical Engineering. Among other things, he developed a hydraulic pressure resonance suppressor still used in the and fitted the Mars rovers with photometric calibration MarsDials.

Character Information
Professor Proton contacts Leonard to ask for his help with an experiment. Sheldon, who has loved Professor Proton since childhood, seeks revenge by befriending Bill Nye. 

Trivia

 * His counterpart, Professor Proton, is also a graduate of Cornell University.
 * was one of Bill Nye's professors at Cornell. Sheldon has a restraining order from Sagan. ("The Vacation Solution")
 * He appeared alongside Neil deGrasse Tyson in an episode of Stargate Atlantis. Dr. Tyson made a cameo in "The Apology Insufficiency", while Sheldon referenced Stargate in "The Cushion Saturation".
 * Bill Nye is acquainted with Buzz Aldrin, who had a cameo in "The Holographic Excitation".