<i><a href="//commons.wikimedia.org/wiki/Apollo_11" title="Apollo 11">Apollo 11</a></i> Lunar Module Pilot <a href="https://en.wikipedia.org/wiki/Buzz_Aldrin" class="extiw" title="w:Buzz Aldrin">Buzz Aldrin</a>'s bootprint. Aldrin photographed this bootprint about an hour into their lunar extra-vehicular activity on July 20, 1969, as part of investigations into the soil mechanics of the lunar surface. This photo would later become synonymous with humankind's venture into space.
NASA / <a href="https://en.wikipedia.org/wiki/Buzz_Aldrin" class="extiw" title="w:Buzz Aldrin">Buzz Aldrin</a>
1969-07-21
This image or video was catalogued by NASA Headquarters of the United States <a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="w:NASA">National Aeronautics and Space Administration</a> (NASA) under <b>Photo ID:</b> <a rel="nofollow" class="external text" href="https://images.nasa.gov/search?q=AS11-40-5877&amp;page=1&amp;media=image,video,audio&amp;yearStart=1920&amp;yearEnd=2023">AS11-40-5877</a>.