Kirk Douglas reading.
Dr. Mark Weiss taught physical anthropology in the late 1980s and early 1990s at WSU in Detroit and was an expert in DNA evidence when it was a newish field. His special gift was in determining the sex of sexually ambiguous corpses. Or in at least assigning a gender as best he could.
I had never enjoyed any science-related course until I took this one. And I enjoyed every minute of it. It is still useful today. I would say n0 more than a week or two goes by without some mention of fossils, or forensics, or Neanderthals that I don't think of him. What class did you take in college or grad school or high school that has meant the most to you? Especially the unexpected ones.