Neil Armstrong
Neil Alden Armstrong was an American astronaut, engineer, and the first person to walk on the Moon. He was also...
John D. Carmack
John D. Carmack is an American computer programmer, engineer, and businessman. He co-founded id Software. Carmack was the lead programmer...
Alexander Graham Bell
Alexander Graham Bell was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone...
