Leonard had an everyday job, his business being stocks and bonds. He watched the professionals and took the information in like a sponge, learning as much, if not more that the professional archaeologists themselves. Using feet and inches to measure his dig sites, not the one meter by one meter areas we use today, Blake sifted through the remnants of history like a pro.
You have to watch this video about Leonard Blake. As an amateur or professional archaeologist, you'll appreciate Blake's drive and ambition.
Leonard Blake 1903-2001