Otto Ruff is read about 4 times a day, in 9 languages.
A typical day, 30 days to 19 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?Media & music
Awards
About this person
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1871 to 1939 · aged 67
