Mary Helen Johnston

American scientist and astronaut (born 1945). 
Mary Helen McCay

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Wikimedia, Wikidata
1945 United States of America, 

• Google Knowledge entry^@
  

National Aeronautics and Space Administration – 

Frameless

CarolynSGriner3

Johnston portrait

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

Nichelle Nichols visits female astronauts

Scientists in Training - GPN-2002-000213

Spacelab-3 scientists

Women Scientists in Training (16570899091)

Type	Date	Description	Keywords	Notes	Source
link		Google Knowledge entry@			Wikidata
image		CarolynSGriner3			Wikimedia
image	1985	Johnston portrait			Wikimedia
image	1974	Materials Science Experiments Conducted at MSFC - GPN-2002-000198			Wikimedia
image	1978	Nichelle Nichols visits female astronauts			Wikimedia
image	1974	Scientists in Training - GPN-2002-000213			Wikimedia
image		Spacelab-3 scientists			Wikimedia
image	1975	Women Scientists in Training (16570899091)			Wikimedia

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