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|Arthur Schönflies||John Campbell||Herbert Seifert|
Herbert Seifert (1907 - 1976)
Today it is very hard to write mathematical books.
A quote from Kepler that appeared in Seifert and Threlfall's Lectures in Topology (1934) and which got the authors into trouble with the authorities.
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JOC/EFR May 2017
School of Mathematics and Statistics|
University of St Andrews, Scotland