Paul Alfred Weiss was an Austrian biologist who specialised in morphogenesis, development, differentiation and neurobiology. A teacher, experimenter and theorist, he made a lasting contribution to science in his lengthy career, throughout which he sought to encourage specialists in different fields to meet and share insights.
Paul Weiss was born in Vienna the son of Carl S. Weiss, a businessman, and Rosalie Kohn Weiss. His background favoured music, poetry, and philosophy – Weiss himself was a violinist – but an uncle encouraged an interest in science. Weiss received his baccalaureate in 1916.
After the end of the First World War, having served for three years as an officer in the artillery, he commenced studies in mechanical engineering at the Technische Hochschule in Vienna,. He then shifted his focus to biology with a minor in physics. He absorbed the studies of Edmond B. Wilson, Edwin G. Concklin, and Theodor Bovari and completed his doctoral thesis in 1922 under Hans Prizbram, then director of the Biological Research Institute of the Academy of Sciences in Vienna, on the responses of butterflies to light and gravity.
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