Wilhelm Weinberg delivered an exposition of his ideas in a lecture on 13 January 1908, before the Verein fur vaterlandische Naturkunde in Wurttemberg, about three months before the Hardy's notes from April 1908 of that year and five months before Hardy's paper was published in English in June 1908.
11 Facts About Wilhelm Weinberg
1.
2.
Wilhelm Weinberg's lecture was printed in the society's yearbook in September 1908.
3.
Wilhelm Weinberg's contributions were unrecognized in the English speaking world for more than 35 years.
4.
In 1943, Curt Stern, a German scientist who immigrated to the United States before World War II, pointed out in a brief paper in Science that Wilhelm Weinberg's exposition was more comprehensive than Hardy's.
5.
Wilhelm Weinberg pioneered in studies of twins, developing techniques for analysis of phenotypic variation that partitioned this variance into genetic and environmental components.
6.
Wilhelm Weinberg observed that proportions of homozygotes in familial studies of classic autosomal recessive genetic diseases generally exceed the expected Mendelian ratio of 1:3, and he explained how this is the result of ascertainment bias.
7.
Wilhelm Weinberg reasoned that many carrier couples were not being counted, and he demonstrated methods for correcting results to produce the expected Mendelian ratios.
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Curt Stern 8.
Wilhelm Weinberg discovered the answer to several seeming paradoxes caused by ascertainment bias.
9.
Wilhelm Weinberg recognized that this was because those later generations were the offspring of that selected group of earlier carriers that had successfully reproduced.
10.
Wilhelm Weinberg was born in Stuttgart to Julius Wilhelm Weinberg, a German Jewish merchant, and Maria Magdalena Humbert, of Protestant faith.
11.
Wilhelm Weinberg estimated that the heritability of twinning itself was close to zero.