Die Mutationen und die Mutationsperioden bei der Entstehung der Arten: Vortrag, gehalten in der allgemeinen Sitzung der Naturwissenschaftlichen ... am 26. September 1901
Hugo Marie de Vrie was a Dutch botanist and one of the first geneticists. He is known chiefly for suggesting the concept of genes, rediscovering the laws of heredity in the 1890s while unaware of Gregor Mendel's work, for introducing the term "mutation", and for developing a mutation theory of evolution.