biology

Davidson Black and the Discovery of the Peking Man

Davidson Black and the Discovery of the Peking Man

On July 25, 1884, Canadian anatomist and paleoanthropologist Davidson Black was born. Black is best known for his postulation of the existence of a distinct form of early man, Sinanthropus pekinensis, popularly known as Peking man and now Homo erectus pekinensis. Collecting Fossils as a Child It is believed that Davidson Black already enjoyed to collect fossils along the banks of the Don River when he was a child. Further, he probably…
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Albert Calmette and the Antituberculosis Vaccine

Albert Calmette and the Antituberculosis Vaccine

On July 12, 1863, French physician, bacteriologist and immunologist Léon Charles Albert Calmette was born. Calmette discovered the Bacillus Calmette-Guérin, an attenuated form of Mycobacterium bovis used in the BCG vaccine against tuberculosis. He also developed the first antivenom for snake venom, the Calmette‘s serum. From Naval Medical Corps to Institute Louis Pasteur Calmette was born in Nice, France. He wanted to serve in the Navy and be a physician, so in 1881…
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Ludwik Fleck and the Thought Collective

Ludwik Fleck and the Thought Collective

On July 11, 1898, Polish and Israeli physician Ludwik Fleck was born. Fleck did important work in epidemic typhus in Lwów, Poland, with Rudolf Weigl and in the 1930s developed the concepts of the “Denkstil” (“thought style”) and the “Denkkollektiv” (“thought collective”). The concept of the “thought collective” defined by him is important in the philosophy of science and in logology (the “science of science”), helping to explain how scientific ideas change over…
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Joseph Dalton Hooker – the Founder of Geographical Botany

Joseph Dalton Hooker – the Founder of Geographical Botany

On June 30, 1817, Sir Joseph Dalton Hooker was born, one of the greatest British botanists and explorers of the 19th century. Hooker was a founder of geographical botany and Charles Darwin‘s [4] closest friend. Furthermore, he was assistant on Sir James Ross‘s [3] Antarctic expedition and whose botanical travels to foreign lands included India, Palestine and the U.S., from which he became a leading taxonomists in his time. “All I ever…
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Frank Lillie and the Fertilization Process

Frank Lillie and the Fertilization Process

On June 27, 1870, American zoologist and an early pioneer of the study of embryology Frank Rattray Lillie was born. Lillie is known for his discoveries concerning the fertilization of the egg (ovum) and the role of hormones in sex determination. He was instrumental in the development of the field of embryology. He identified the influence of potassium on cell differentiation and elucidated the biological mechanisms behind free-martins. Frank Lillie – Early Years Frank Lillie…
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Mary Jane Rathbun and the Secret Life of Crustacea

Mary Jane Rathbun and the Secret Life of Crustacea

On June 11, 1860, American zoologist Mary Jane Rathbun was born. Rathbun established the basic taxonomic information on Crustacea. For many years she was the Smithsonian’s complete department of marine invertebrates where she studied, cataloged, and preserved specimens. Through her basic studies and published works, she fixed the nomenclature of Crustacea and was the recognized, and the much sought after, authority in zoology and carcinology. A Self-taught Zoologist Mary Jane Rathbun was…
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Raymond Pearl and Biometry – Applying Statistics for Medicine and Biology

Raymond Pearl and Biometry – Applying Statistics for Medicine and Biology

On June 3, 1879, American biologist Raymond Pearl was born. Pearl is regarded as one of the founders of biogerontology. Moreover, he is one of the founders of biometry, the application of statistics to biology and medicine. He also pioneered studies in longevity, changes in world population, and genetics. Raymond Pearl – Early Years Raymond Pearl was born in Farmington, New Hampshire, USA; the son of Ida May McDuffee and Frank Pearl.Raymond…
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Sir David Bruce and the Discovery of the Causative Agent of Malta Fever

Sir David Bruce and the Discovery of the Causative Agent of Malta Fever

On May 29, 1855, Scottish pathologist and microbiologist Sir David Bruce was born. Bruce investigated Malta fever (later called brucellosis in his honour) and African trypanosomiasis (sleeping sickness in humans and nagana in animals). He discovered the first protozoan parasite transmitted by insects, which was later named Trypanosoma brucei after him. David Bruce – From Australia back to Scotland David Bruce was born in Melbourne, Australia, to David Bruce, a Scottish engineer…
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Robert Yerkes – From Eugenics to Psychobiology

Robert Yerkes – From Eugenics to Psychobiology

On May 26, 1876, American psychologist, ethologist, eugenicist and primatologist Robert Mearns Yerkes was born. Yerkes is known for his work in intelligence testing and in the field of comparative psychology. He is referred to as a principal developer of comparative (animal) psychology in the U.S. and pioneered in the study both of human and primate intelligence and of the social behavior of gorillas and chimpanzees. Robert Yerkes – Early Years Robert…
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John Jacob Abel and the Endocrine Glands

John Jacob Abel and the Endocrine Glands

On May 19, 1857, American biochemist and pharmacologist John Jacob Abel was born. Abel made important contributions to a modern understanding of the ductless, or endocrine, glands. He extracted a derivative of epinephrine, also known as adrenaline and successfully purified and isolated crystalline insulin. His interest in kidney functions led to his invention of a primitive artificial kidney that was able to remove toxins from the blood of living animals, the precursor…
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