BIOLOGIST

Hans Spemann

1869 - 1941

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Hans Spemann (German pronunciation: [ˈhans ˈʃpeːˌman] ; 27 June 1869 – 9 September 1941) was a German embryologist who was awarded a Nobel Prize in Physiology or Medicine in 1935 for his student Hilde Mangold's discovery of the effect now known as embryonic induction, an influence, exercised by various parts of the embryo, that directs the development of groups of cells into particular tissues and organs, one of the first steps towards cloning. Read more on Wikipedia

Since 2007, the English Wikipedia page of Hans Spemann has received more than 195,349 page views. His biography is available in 55 different languages on Wikipedia (up from 54 in 2019). Hans Spemann is the 45th most popular biologist (up from 49th in 2019), the 520th most popular biography from Germany (up from 532nd in 2019) and the 8th most popular German Biologist.

Hans Spemann is most famous for his work in embryology. He was one of the first to experiment with transplanting cells from one embryo to another, and he discovered the phenomenon of twinning.

Memorability Metrics

  • 200k

    Page Views (PV)

  • 70.96

    Historical Popularity Index (HPI)

  • 55

    Languages Editions (L)

  • 14.13

    Effective Languages (L*)

  • 2.63

    Coefficient of Variation (CV)

Among BIOLOGISTS

Among biologists, Hans Spemann ranks 45 out of 1,097. Before him are Antoine Laurent de Jussieu, Lazzaro Spallanzani, Vladimir Vernadsky, Karl Ernst von Baer, Françoise Barré-Sinoussi, and Christian de Duve. After him are Peter Simon Pallas, Richard Owen, Jan Evangelista Purkyně, René Antoine Ferchault de Réaumur, Roger Guillemin, and Hugo Theorell.

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Contemporaries

Among people born in 1869, Hans Spemann ranks 13. Before him are Nadezhda Krupskaya, Charles Thomson Rees Wilson, Gustaf Dalén, Karl Haushofer, Emma Goldman, and Fritz Pregl. After him are Frederick Trump, Christian Lous Lange, Komitas, Calouste Gulbenkian, Siegfried Wagner, and Rupprecht, Crown Prince of Bavaria. Among people deceased in 1941, Hans Spemann ranks 18. Before him are Arthur Evans, Robert Delaunay, James George Frazer, Paul Sabatier, El Lissitzky, and Ioannis Metaxas. After him are Marina Tsvetaeva, Frederick Banting, Ignacy Jan Paderewski, Edward Rydz-Śmigły, Ernst Udet, and Prajadhipok.

Others Born in 1869

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Others Deceased in 1941

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In Germany

Among people born in Germany, Hans Spemann ranks 520 out of 7,253. Before him are Patrick Süskind (1949), Niklas Luhmann (1927), Hans Geiger (1882), Klaus Mann (1906), Erhard Milch (1892), and Wassily Leontief (1906). After him are Johann Rudolf Glauber (1604), Albert, Duke of Prussia (1490), F. W. Murnau (1888), Peter Simon Pallas (1741), Georg Christoph Lichtenberg (1742), and Frederick Trump (1869).

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Among BIOLOGISTS In Germany

Among biologists born in Germany, Hans Spemann ranks 8. Before him are Maria Sibylla Merian (1647), Katherine Oppenheimer (1910), Theodor Schwann (1810), Albrecht Kossel (1853), Matthias Jakob Schleiden (1804), and Harald zur Hausen (1936). After him are Peter Simon Pallas (1741), August Weismann (1834), Ernst Mayr (1904), Bernard Katz (1911), Otto Wilhelm Hermann von Abich (1806), and Christiane Nüsslein-Volhard (1942).

German born Biologists

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