There were 16 of them:
Leroy Gordon Cooper, Jr
Virgil Ivan "Gus" Grissom
Walter Marty Schirra, Jr
Neil Alden Armstrong
Frank Frederick Borman
Charles "Pete" Conrad, Jr.
James Arthur Lovell, Jr
James Alton McDivitt
Thomas Patten Stafford
Edward Higgins White II
John Watts Young
Edwin Eugene "Buzz" Aldrin
Eugene Andrew Cernan
Michael Collins
Richard Francis Gordon, Jr.
David Randolph Scott
4 astronauts
Live and work in space
There were 2 astronauts on each Project Gemini mission.
by going in space!!
Each Gemini spacecraft launched 2 astronauts. 16 different astronauts flew a total of 10 Gemini flights. The last 4 Gemini flights (Gemini 9 through 12) were commanded by astronauts who had previously flown on an earlier Gemini flight.
Gemini
Gemini
The Gemini capsules were designed to hold 2 Astronauts, and each mission carried 2.
2
There were two men in each Gemini module(The constellation Gemini is the twins)
Gemini refers to the constellation meaning twin, therefore two astronauts could be seated in the Gemini capsule
If you mean the name of the program that the USA used for two man capsules that was the Gemini program.