I come from the old era of computing. I started with a clone PC back in the 80s, then upgraded to an IBM PC/AT with 640k RAM and a whopping 10 MB HD. It is still sitting in my closet, and I love to look at it sometimes. Now, 40 years later, I am designing a Cancer Drug Discovery in my back office using a modern PC. Just out of curiosity, I did some research on old drug-discovery systems/methods before PCs and wrote this post. So, from the 1960s to the 1980s, long before tool