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Roland Sprague is read about 4 times a day, in 7 languages.
Counted to 14 June 2026, not since.
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?Roland Percival Sprague was a German mathematician, known for the Sprague-Grundy theorem and for being the first mathematician to find a perfect squared square.
In their orbit
About this person
Country
Germany
Category
Academics
Type
Academic
Status
deceased
Dates
Lived 1894 to 1967 · aged 73
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