"Much of my work has come from being lazy. I didn't like writing programs, and so, when I was working on the IBM 701 (an early computer), writing programs for computing missile trajectories, I started work on a programming system to make it easier to write programs,"
By the way, I am wondering who is reading this blog. As the blogspot.com commenting did not work satisfactorily, you might want to contact me at mulder DOT patrick AT gmail DOT com