This Day, That Year – March 3

Alexander Graham Bell was a Scottish-born inventor, scientist, and engineer born on this day in 1847.

Did you know that:

• A patent was granted to Thomas Jennings for “dry scouring of clothes” on this day in 1821
• George Pullman, inventor of the railway sleeping car, was born on this day in 1831
• Georg Cantor, a German mathematician who introduced the mathematical concept of transfinite numbers, was born on this day in 1845