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Clarence E. Van Horn
(11 Jan 1883 - 14 Sep 1951)
mathematician who was head of the Department of Mathematics of Wartburg College.
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Science Quotes by Clarence E. Van Horn (2 quotes)
It is an obvious and imperative duty of every teacher of mathematics to study the masterpieces of mathematical literature.
— Clarence E. Van Horn
In A Preface to Mathematics (1938), 76.
Only the mathematically minded can really teach mathematics; and it takes a great deal of mathematics to teach any mathematics well.
— Clarence E. Van Horn
In A Preface to Mathematics (1938), 75.

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) --
Carl Sagan
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