This Day, That Year – February 6

Mary Leakey was a British paleoanthropologist born on this day in 1913. She discovered the first fossilized Proconsul skull, a species of extinct ape believed to have been ancestral to humans.

Did you know that:

• Carl Ramsauer, a German research physicist known for his discovery of the Ramsauer–Townsend effect, was born on this day in 1879
• A bottle opener was patented by William Painter on this day in 1894
• The “Monopoly” board game went on sale for the first time on this day in 1935