Vocation : Writers : Textbook/ Non-fiction

Robert Ernst Eduard Wiedersheim (21 April 1848 – 12 July 1923) was a German anatomist who is famous for publishing a list of 86 "vestigial organs" in his book The Structure of Man: An Index to His Past History.

Émile Auguste Joseph De Wildeman (19 October 1866, Saint-Josse-ten-Noode – 1947) was a Belgian botanist and phycologist. He is known for his investigations of Congolese flora.
From 1883 to 1887, he studied pharmacy at the Université libre de Bruxelles. In 1891, he began work as a preparateur at the Botanical Garden of Brussels, an institution where he later served as director. In 1892, he received his doctorate in sciences (academic advisor, Leo Errera) and in 1926 attained the title of professor.

Paul Wintrebert (1867–1966) was a French embryologist and a theoretician of developmental biology.
He coined the term cytoskeleton (cytosquelette) in 1931.He held radical epigenetic views. In his 60s, he published a trilogy in which he describes his position on life process and living being: Le vivant créateur de son évolution (The living being is the creator of his own evolution) (1962), Le développement du vivant par lui-même (The self-development of the living being) (1963), and L'existence délivrée de l'existentialisme (Existence delivered from existentialism) (1965).He was a critic of the mutationist theory of evolution. His views have been described as a "biochemical Lamarckism".

Antonino Zichichi (Italian pronunciation: [antoˈniːno ddziˈkiːki]; born 15 October 1929) is an Italian physicist who has worked in the field of nuclear physics. He has served as President of the World Federation of Scientists and as a professor at the University of Bologna.

Nathan Zuntz (6 October 1847, in Bonn – 22 March 1920, in Berlin) was a German physiologist born in Bonn. He was a pioneer of modern altitude physiology and aviation medicine.

Sylvia Morales (born 1943 in Phoenix, Arizona) is an American film director, writer, producer, and editor. Morales is recognized as one of the first female Mexican-American filmmakers to have established a Latino cinema. In her filmmaking career, Morales has been nationally recognized winning awards for film and video documentary on topics ranging from the farm workers struggle to the music of Los Lobos.While the majority of her work is in the documentary film genre, she has also done work for the mass media television. She has also published essays and photographs on Latina and feminist issues. Sylvia Morales has lectured and taught in different Universities throughout Southern California. Morales' work is characterized by strong documentaries that portray the Latino community. She also has work that covers feminist issues in the Chicano community.

Paul François is a French agricultor and author, who has been decorated with the Legion of Honour. He is notable chiefly because he demonstrated to a court of law that he was poisoned by a Monsanto product.

Ernst Hermann Ludimar Meyer (8 December 1905 – 8 October 1988) was a German composer and musicologist, noted for his expertise on seventeenth-century English chamber music.

Wolfgang Schadewaldt (15 March 1900 in Berlin – 10 November 1974 in Tübingen) was a German classical philologist working mostly in the field of Greek philology and a translator. He also was a professor of University of Tübingen and University of Freiburg.