 where hundreds of black men were not treated for syphilis, and they were lied to by these medical professionals saying, we're going to treat this. They wanted to see what happened to these men. And, you know, what the heck? They're black men, so we'll let them suffer, as well as their wives and their girlfriends and children, everybody else. And by the way, this went on for 40 years, 1932 to 1972, led by Dr.