Scientists and explorers we are...to boldly go where no man has gone before. If there is one scientist, who might serve as the prototype of an bold explorer, then we have to consider Auguste Piccard, a Swiss professor of physics, who tried to explore the deepest depths of the sea as well as the extreme stratosphere of the earth. And he did this not only in theory, but by experiment (always including his own person).
On July 20, 1969 (for Western Europeans it was one day later, i.e. July 21, 3:56 MEZ) United States' space mission Apollo 11 reached the moon with the lunar module Eagle and the two astronauts Neil Armstrong and Edwin "Buzz" Aldrin about 76 hours after they left earth from Kennedy Space Center in Florida.
394 years ago, famous astronomer Johannes Kepler discovered the 3rd and also last of his planetary laws, and concluded the general revolution of our celestial world that started with Nikolaus Kopernikus about 100 years earlier. And that made him rather popular as he still is today. Did you know that there is a Kepler crater on the Moon, a Kepler crater on Mars, a Kepler asteroid, a Kepler supernova, of course there has to be a space mission named after him, even an opera