Mary Helen Johnston travelled at a period when the map still had blanks on it, and filled some of them.
The record lists Mary Helen Johnston as American scientist and astronaut (born 1945).
Mary Helen Johnston was born at West Palm Beach in 1945. Her recorded nationality is United States.
Modern exploration moved to the places the body cannot survive unaided: the deep ocean, the upper atmosphere and orbit, reached by engineering as much as by nerve.
She is recorded as astronaut.
The record of exploration is also a record of the people already living in the places reached.
Achievements
- Recorded as astronaut
