2 Bill Oddie(Writer)
3 Olivier Messiaen(Composer, Organist)
French composer and organist Olivier Messiaen is credited with creating melodically innovative scores, using what he called "modes of limited transposition." An ornithologist, too, he added bird songs into his compositions such as La fauvette des jardins and Catalogue d'oiseaux. His Messiaen: Concert A Quatre won a Grammy.
4 Konrad Lorenz(Zoologist)
Nobel Prize-winning Austrian zoologist Konrad Lorenz is remembered as a pioneer of ethology. The son of a surgeon father and a physician mother, Lorenz was a qualified physician himself. A university degree awarded to him was rescinded posthumously due to his association with the Nazi party
5 Walter Rothschild, 2nd Baron Rothschild(Biologist, Banker, Politician, Zoologist, Ornithologist, Entomologist, Lepidopterist)
6 Salim Ali(Ornithologist)
Known as the Birdman of India, legendary ornithologist Salim Ali was the first to conduct bird surveys in India. The Padma Bhushan and Padma Vibhushan winner is best remembered for penning the book The Book of Indian Birds, and for setting up the Bharatpur and Ranganathittu bird sanctuaries.
7 Peter Scott(Ornithologist)
8 Nikolaas Tinbergen(Ornithologist)
Nikolaas Tinbergen was a Dutch ornithologist and biologist. Counted among the founders of modern ethology, Tinbergen shared the Nobel Prize in Physiology or Medicine in 1973 with Konrad Lorenz and Karl von Frisch for their discoveries concerning the social behavior patterns in animals. He is also credited with authoring an influential book on animal behavior titled The Study of Instinct.
9 Robert Stroud(Writer)
10 Ernst Mayr(Biologist)
Ernst Mayr was a renowned taxonomist, ornithologist, tropical explorer, historian of science, and philosopher of biology. He was also one of the leading evolutionary biologists of the 20th century. His work contributed immensely to the progression of the biological species concept. Ernst Mayr is also credited with originating the modern philosophy of biology, especially the part concerning evolutionary biology.
11 James Bond(ornithologist)
12 Charles Lucien Bonaparte(Biologist)
13 John Gould(Ornithologist)
14 Gilbert White(Naturalist)
15 Edward Adrian Wilson(Explorer, Ornithologist, Painter, Scientist)
16 William Beebe(Ornithologist)
17 William Henry Hudson(Author)
British-Argentine author, naturalist, and ornithologist William Henry Hudson not just published a number of ornithological studies but also several novels, such as Green Mansions. He criticized Darwinism and was inspired by Samuel Butler’s writings. He was also part of the Royal Society for the Protection of Birds.
18 Hubert Wilkins(Explorer)
Australian-born British explorer and ornithologist Hubert Wilkins is best remembered for pioneering the use of the submarine for polar exploration. While he initially studied photography and engineering, he later embarked on the world’s first transpolar airplane flight across the Arctic and the first over parts of Antarctica.
19 William Bartram(First Naturalist Who Penetrated the Dense Tropical Forests of Florida)
20 Robert Dougall(Ornithologist)
21 Roger Tory Peterson(Zoologist, Ornithologist)
22 Lorenz Oken(Naturalist)
23 Spencer Fullerton Baird(Ornithologist)
24 Thomas Pennant(Naturalist)
Welsh naturalist Thomas Pennant is remembered for his extensive research on zoology, especially ornithology. Known for his books such as British Zoology and History of Quadrupeds, he traveled to Scotland and remote parts of Britain, writing about his expeditions in his travelogues and treatises.
25 Thomas Nuttall(Botanist)
English botanist and naturalist Thomas Nuttal is best known for his popular volume The Genera of North American Plants. He later taught natural history at Harvard and also studied birds, eventually releasing a book on American birds, too. He also undertook a voyage to Columbia River and Hawaii.
26 Giovanni Antonio Scopoli(Physician and Naturalist)
27 Clinton Hart Merriam(Zoologist)
28 John Gerrard Keulemans(Illustrator)
29 Elliott Coues(Historian)
Renowned ornithologist Elliott Coues, known for his pathbreaking written works such as Key to North American Birds, had established the American Ornithological Union. He had also previously worked as an army surgeon and later taught anatomy. He was also briefly part of the Theosophical Society, though he later lost interest.
30 Edward Sabine(Astronomer)
Anglo-Irish astronomer Edward Sabine initially served the British Army and eventually retired as a major-general. The Copley Medal-winning scientist is remembered for his work on determining the shape and magnetic field of the Earth. He also studied birds in Greenland and was knighted for his achievements.
31 Ronald Mathias Lockley(Ornithologist)
32 David Lack(Biologist)
33 Florence Augusta Merriam Bailey(Ornithologist)
34 Sidney Dillon Ripley(Ornithology)
35 Edward Max Nicholson(Environmentalist)
36 Tso-hsin Cheng(Ornithologist)
37 Alfred Newton(Ornithologist)
38 Frank Chapman(Ornithologist)
39 Alexander Wetmore(Ornithologist)
Alexander Wetmore was an American avian paleontologist and ornithologist who served as the Secretary of the popular Smithsonian Institution from 1945 to 1952. He also served as the president of The Explorers Club from 1944 to 1946. Alexander Wetmore is also remembered for his influential 4-volume book, Birds of the Republic of Panama.
40 Margaret Morse Nice(Ornithologist)
41 Jean Theodore Delacour(Ornithologist)
42 John Xantus(Zoologist, Ornithologist)
43 Peter Marler(Brain researcher)
44 Harriet Mann Miller(Author)
45 Volcher Coiter(Physician)
Volcher Coiter was a Dutch anatomist who first described cerebrospinal meningitis. Volcher Coiter is also remembered for his work during the French Wars of Religion where he served as field surgeon to John Casimir, Count Palatine of Simmern.
46 Fannie Hardy Eckstorm(Writer)
47 Richard Pough(Conservationist)
48 Frank Hall Knowlton(Botanist)
Renowned paleobotanist Frank Hall Knowlton is remembered for his pioneering study of fossilized plants and geologic climates. He not just taught botany but had also been associated with the U.S. Geological Survey. His interests also included birds, and he contributed to a volume named Birds of the World.