Mary Helen Johnston

Mary Helen Johnston, later also Mary Helen McCay, is an American scientist and former astronaut. Working with NASA as an engineer in the 1960s and '70s, Johnston aspired to be an astronaut; she unsuccessfully applied in 1980 before becoming a payload specialist in 1983. Johnston retired from NASA in 1986 without having gone to space. She is a professor at Florida Institute of Technology.

MainRelatedWikipediaGalleryBibliographyTableSearch

1945  Wikimedia, Wikidata
astronaut, 

​

United States, 

Frameless

Spacelab-3 scientists

CarolynSGriner3

Scientists in Training - GPN-2002-000213

Materials Science Experiments Conducted at MSFC - GPN-2002-000198

Women Scientists in Training (16570899091)

Nichelle Nichols visits female astronauts

Johnston portrait

Johnston portrait

Type	Subtype	Date	Description	Notes	Source
commons	image		Spacelab-3 scientists		Commons
commons	image		CarolynSGriner3		Commons
commons	image		Scientists in Training - GPN-2002-000213		Commons
commons	image		Materials Science Experiments Conducted at MSFC - GPN-2002-000198		Commons
commons	image		Women Scientists in Training (16570899091)		Commons
commons	image		Nichelle Nichols visits female astronauts		Commons
commons	image		Johnston portrait		Commons
commons	image		Johnston portrait		Commons