Nicolaas Kuiper

Nicolaas Hendrik Kuiper (28 June 1920 to 12 December 1994) was a Dutch mathematician, known for Kuiper's test and for proving Kuiper's theorem. He also contributed to the Nash embedding theorem. He studied at the University of Leiden, completed his Ph.D. in differential geometry there in 1946 under the supervision of Willem van der Woude, and in 1947 came to the United States at the invitation of Oscar Veblen, staying at the Institute for Advanced Study. He became professor of mathematics and statistics at the Agricultural University of Wageningen in 1950 and professor of pure mathematics at the University of Amsterdam in 1962.