I wanted to sleep with one of my profs, too. Unfortunately, her husband was my student adviser, so that wasn't going to happen. Also, one of my classmates had the hots for him and would have ratted me out in a second if I managed to get close to his wife.
She'd wear those slim tapered skirts (think Mad Men) and elastic head-bands, which were pretty retro by 1970. Pretty, and a bit geeky!