Shepard

Shepard remained in space only about 15 minutes.

Alan Shepard was the first American to pilot a spacecraft.

Alan Shepard was the first American to enter space.

Shepard served on a destroyer during World War II.

Though Shepard spent only 5 minutes in actual space aboard Freedom 7, he laid the groundwork for the United States to become the great innovator in space exploration we know today.

While on the Moon Shepard played golf with a club he had carried onboard the lunar spacecraft of Apollo 14.

Shepard became an admiral in the United States Navy, the first astronaut to ever achieve such a rank.

Blue Origin successfully launched its New Shepard reusable space vehicle on Dec. 12 carrying a medical technology that could potentially treat chest trauma in a space environment.

Alan Shepard became the first American in space in the summer of 1961.

Building upon research by Roger Shepard and Jean-Claude Risset, Deutsch found a way to build a "staircase" of musical tones that seems to both go up without end, and just like in Escher's illusion, they appear to never go up to another octave. By changing the harmonics of each tone, Deutsch had in effect, turned a linear musical scale into a circle.