Carl Kellner
German businessman (1826-1855) · Founders · Died at 29
Carl Kellner is read about 11 times a day, in 10 languages.
A typical day, 30 days to 25 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?Carl Kellner was a German mechanic and self-educated mathematician who founded in 1849 an "Optical Institute" that later became the Leitz company, makers of the Leica cameras.
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About this person
Category
Founders
Type
Founder
Status
deceased
Dates
Lived 1826 to 1855 · aged 29
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