1961. I know all of you were dying to know what table sugar (sucrose) looked like under a microscope, so here it is. This slide is from one of dad's sophomore-year high school projects. Sorry there isn't a people picture tonight. It must be the geek in me but I think it looks pretty cool. View Larger Size from Flickr.
Also, while I am on the subject of microscopes, check out some very crazy pictures of insects and other small things in these Scanning Electron Microscope groups on Flickr (I would post some examples here but most of the images are copyrighted):