No free photograph
John August Anderson
American astronomer (1876-1959) · United States · On the map · Scientists · Died at 83
John August Anderson was an American astronomer who made significant contributions to improving astronomical instruments in the early 20th century, especially diffraction gratings.
John August Anderson is read about 4 times a day, in 17 languages.
A typical day, 30 days to 22 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.
Something wrong?Awards
About this person
Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1876 to 1959 · aged 83
