A NASA Astronaut, born in Rome, Italy on October 31, 1930. He was the son of a career Army Officer, Major General James Lawton Collins and nephew of General J. Lawton Collins “Lightning Joe” of World War 2 fame. Michael Collins retired as Major General in the US Air Force. On April 28, 2021, Collins died from cancer in Naples, Florida, at the age of 90, and his remains were cremated.

An extract of his bio on the NASA Website best summarize his achievements.

NAME: Michael Collins (Major General, USAF, Retired) Aerospace Consultant and Author, Washington D.C. NASA Astronaut

PERSONAL DATA:
Born October 31, 1930, in Rome, Italy.

EDUCATION:
Graduated from Saint Albans School in Washington, D.C.; received a Bachelor of Science degree from the United States Military Academy at West Point, N.Y., in 1952. He also attended the Harvard Business School in the advanced management program. He has honorary degrees from six colleges and universities.

EXPERIENCE:
Prior to joining NASA, Collins served as a fighter pilot and an experimental test pilot at the Air Force Flight Test Center, Edwards Air Force Base, California, from 1959 to 1963. He logged more than 4,200 hours flying time.

NASA EXPERIENCE:

Collins was one of the third group of astronauts named by NASA in October 1963. He served as pilot on the 3-day Gemini 10 mission, launched July 18, 1966, during which he set a world altitude record and became the nation's third spacewalker, completing two extravehicular activities (EVAs). His second flight was as command module pilot of the historic Apollo 11 mission in July 1969. He remained in lunar orbit while Neil Armstrong and Buzz Aldrin became the first men to walk on the Moon.
Collins has completed two space flights, logging 266 hours in space, of which 1 hour and 27 minutes were spent in EVA.