20th-century zoologists

Richard William Timm (March 2, 1923 – September 11, 2020) was a Catholic Priest, educator, zoologist, and development worker. He was the Superior of the Congregation of Holy Cross in Dhaka and a member of the Sacred Heart of Jesus Province. He was also one of the founders of Notre Dame College in Dhaka, Bangladesh. He was the 6th principal (1970 to 1972) of Notre Dame College.
Born with German ancestry from both sides on March 2, 1923, in Michigan City, Indiana, USA, Timm is the second of four siblings – elder brother Bob, who died on Okinawa in World War II, and younger sisters Mary Jo Schiel and Genevieve Gantner.

Léopold Reichling (March 11, 1921 in Luxembourg – May 2, 2009) was a Luxembourg biologist and naturalist.
He is especially known for his publications in the fields of botany, zoology and nature conservation. He assembled three major scientific collections: an herbarium, a collection of heteroptera and a collection of human artefacts of the Stone Age.
The following taxa were named after Léopold Reichling:

Asplenium ×reichlingii Lawalrée, 1951; a monstrous form of the fern Asplenium trichomanes;Taraxacum reichlingii Soest, 1971; a plant;Lichenoconium reichlingii Diederich, 1986; a fungus;Reichlingia leopoldii Diederich & Scheid., 1996; a lichen.