1891 births

Jan Pieter "Jan P." Strijbos (March 14, 1891 – May 10, 1983) was a Dutch naturalist, cineaste, photographer, journalist, writer and public speaker of the nature (and birds in particular) protection movement.
Strijbos grew up in Haarlem and initially worked as an architectural engineer. He became more and more interested in birds and chose to start publishing on the subject in 1927. Daily newspapers such as Het Parool and De Telegraaf frequently reserved space for his popular columns. His first major work was the first part of What's that bird called (Dutch: Hoe heet die vogel?), followed by part two in 1930. He also wrote a richly illustrated book on the breeding of the grey heron before becoming involved in photography. His most notable achievement in that field was the material he created in the pre-war great cormorant colony in Lekkerkerk. He also created visual material for the promotion of his cause, which he mainly used for his lectures. His friend and Nobel prize winning ethologist Niko Tinbergen characterised him in a preface he has written for Strijbos' 1956 book about South Africa as follows: "(...) the tramp, the carefree enjoyer, the admirer, the minstrel, and the ambassadeur of all things living, the witty conversationalist".

Erwin Walter Maximilian Straus (11 November 1891, Frankfurt am Main – 20 May 1975, Lexington, Kentucky) was a German-American phenomenologist and neurologist who helped to pioneer anthropological medicine and psychiatry, a holistic approach to medicine that is critical of mechanistic and reductionistic approaches to understanding and treating human beings.
Some of his work can also be regarded as a precursor to or early version of neurophenomenology. Straus taught at Black Mountain College.
His books published in English include:

Phenomenology: Pure and Applied (1964, Duquesne University Press)
Phenomenological Psychology (1966, Basic Books)
Psychiatry and Philosophy (1969, Springer)
Phenomenology of Memory (1970, Duquesne University Press)
Language and Language Disturbances (1974, Duquesne University Press)
Man, Time, and World: Two Contributions to Anthropological Psychology (1982, Humanities Press)
On Obsession: A Clinical and Methodological Study (1987, Johnson Reprint Corp)

Emiliano Mercado del Toro (August 21, 1891 – January 24, 2007) was a Puerto Rican supercentenarian and military veteran who was, at age 115, the world's oldest person following the death of 116-year-old Elizabeth Bolden on December 11, 2006, and the world's oldest man from November 19, 2004 (death of Fred H. Hale, Sr.) until his own death on January 24, 2007.At the time of his death in January 2007, aged 115 years and 156 days, Mercado was the second oldest fully validated male ever, behind Danish-American Christian Mortensen's record of 115 years 252 days. (Although Shigechiyo Izumi was still believed to be older at the time of his death. Izumi's record was withdrawn by Guinness World Records in 2010.)

Jean Lucien Nicolas Jacoby (March 26, 1891 – September 9, 1936) was a Luxembourg artist. He won Olympic gold medals in the Olympic art competitions of 1924 and 1928, making him the most successful Olympic artist ever.

Donald McIntyre FRSE MBE MID (1891-1954) was a 20th-century Scottish gynecologist and medical author.

Wilhelm Hermann Julius Eitel (6 May 1891, Frankfurt am Main – 20 July 1979, United States) was a German-American scientist.

Philippe Richard (24 June 1891 – 24 December 1973) was a French film and theater actor.
Richard was born in Saint-Étienne and began his film career in the early 1920s in silent film. In 1948 he starred in the film The Lame Devil under Sacha Guitry. He died in Paris in 1973.

Gina Relly (1891–1985) was a French film actress of the silent era.

Pierre Paul Lucien Salvat Etchepare (2 October 1891 – 20 April 1943) was a French actor.
Pierre Etchepare was born in Paris and died in Neuilly-sur-Seine, Hauts-de-Seine.

Jean De Briac (born Jean-Frederic Weitler, 15 August 1891 – 18 October 1970) was a French film actor. He appeared in more than 120 films between 1920 and 1962. He was born in France and died in Los Angeles, California. He immigrated to the United States in 1915.