The Photographic Past, Part II

At last, the long-awaited second installment of "The Photographic Past" is here. Rejoice and Ponder! This series of photos will take you from the United States to Outer Space; there's physicists and bicyclists, and that's not to mention Lennon's Missus...  Enjoy, folks.

One of 250,000 people in attendance for Martin Luther King Jr.'s "I Have a Dream" speech during the March on Washington. August 28, 1963.

"Earthrise," a humbling & awe-inspiring photo brought to you by the crew of Apollo 17. December 1972.

Caption: A WWII-era military parade through Washington DC.
Alternate Caption: A scene from 1 of 14 upcoming movies about DC under attack.

The who's who of Quantum Theory: Almost every scientist mentioned in your high school textbooks in one photo...
(Albert Einstein, Marie Curie, Max Planck, Erwin Schrodinger,
Wolfgang Pauli, Werner Heisenberg, Niels Bohr, and more.)

Yoko Ono & John Lennon following their marriage in Gibraltar, Spain- the inspiration behind "The Ballad of John and Yoko," The Beatles' final number one single in the UK. March 20, 1969.

The world's tallest buildings as of 1884; Yes, that's the Washington Monument (555 ft) checking in at Number One. Here's a modern diagram for reference.

Ok. What's more shocking here- the man LEANING OUT OF A MOVING CAR to oil the spokes of a bicycle mid-race, or Tour de France cyclist Gino Sciardis's BURGEONING LEG MUSCLES?
Please excuse the liberal use of capslock, but that gastrocnemius warrants it. 1949.