Lol. The most famous straight male porn star to ever live. Ron Jeremy. His dong is legendary.
Fun fact: He was a background extra in the original Ghostbusters movie, but went unnoticed for a couple decades until the wide-screen release came out on DVD. He was cropped out on the vhs/square tv's of the 80's and 90's, so no one knew he was there.
Fuck that. He only did one type of science.
I nominate Mr.Wizard!