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Gustav Kramer
German zoologist and ornithologist (1910-1959) · Germany · On the map · Scientists · Died at 49
Gustav Kramer was a German zoologist and ornithologist who specialised in allometry. He described Xenopus laevis, the African clawed frog, for the first time in his doctoral thesis. Near the end of the 1940s, he discovered that birds can use the sun as a compass.
Gustav Kramer is read about 5 times a day, in 5 languages.
A typical day, 30 days to 14 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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About this person
Country
Germany
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1910 to 1959 · aged 49
