Mary Helen Johnston
Mary Helen Johnston (born September 17, 1945), 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.
Q11631
astronaut
Concept
Q23548
NASA
Concept
Q3152650
Florida Institute of Technology
LOC
Q14931491
Mary Helen Johnston
PER
1945-09-17T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
September 17, 1945
DATE
1960-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1960
DATE
1980-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1980
DATE
1983-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1983
DATE
1986-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1986
DATE
+70^^http://www.w3.org/2001/XMLSchema#decimal
70
NUMBER
occupation
date of birth