Brian O'Leary
American astronomer, astronaut, writer, blogger and advocate (1940-2011) · United States · On the map · Scientists · Died at 71
Brian Todd O'Leary was an American scientist, author, and NASA astronaut candidate. He was part of NASA Astronaut Group 6, a group of scientist-astronauts chosen with the intention of training for the Apollo Applications Program.
Brian O'Leary is read about 16 times a day, in 9 languages.
A typical day, 30 days to 24 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1940 to 2011 · aged 71
