Former NASA Flight Director and Administrator Glynn Lunney, who played a key role during some of NASA's most historic events, including the Apollo 11 moon landing, died on Friday at the age of 84.
He was also credited for his quick decision-making during the Apollo 13 mission, which helped save the lives of the three astronauts aboard the disabled spacecraft.
"Glynn was the right person for the right time in history. His unique leadership and remarkably quick intellect were critical to the success of some of the most iconic accomplishments in human space flight," said Mark Geyer, the director of the NASA's Johnson Space Center, in a statement.
"Although he retired from the agency many years ago, he is forever a member of the NASA family. While he was one of the most famous NASA alumni, he was also one of the most humble people I have ever worked with. He was very supportive of the NASA team and was so gracious in the way he shared his wisdom with us."