"I thought of that while riding my bicycle". Albert Einstein pic.twitter.com/CuTFmgUoqC

— ✍ Bibliophilia (@Libroantiguo) February 27, 2015

Albert Einstein at Lincoln University, Pennsylvania, May 1946. pic.twitter.com/VYBNjGpirk

— ✍ Bibliophilia (@Libroantiguo) February 10, 2015

Albert Einstein & Niels Bohr in Belgium, 1930 Photo by Paul Ehrenfest pic.twitter.com/INQ3fqaKET

— History In Pictures (@HistoryInPics) January 19, 2015

Albert Einstein (pictured here in fluffy slippers) was asked to be the president of Israel, which he declined. pic.twitter.com/s9qdjtADZ7

— History In Facts (@HistoryInFacts) January 17, 2015

Albert Einstein Holding an Albert Einstein Puppet (Circa 1931) http://t.co/NvXlgVlV4n pic.twitter.com/iiLnpVHYv9

— Open Culture (@openculture) July 16, 2014