When1: 1916
When2: 1924
Who: Hans Henning [Henning, Hans]
What: biologist
Where: Germany
works\ Smell [1916 and 1924]; Qualities of Tastes [1916]; New Example of Complex Synaesthesia [1923]
Detail: He lived 1885 to 1946. He identified four bitter, salty, sour, and sweet primary tastes [1924], which he put at tetrahedron corners. He identified six primary smells [1916], which he put at prism corners.
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Date Modified: 2022.0224