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Gregory J. Leonard
American geologist and astronomer · United States · On the map · Scientists
Gregory J. Leonard is read about 1 times a day, in 6 languages.
A typical day, 30 days to 13 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Country
United States
Category
Scientists
Type
Scientist
Status
Living
