1661day.year

Richard Zouch

(1590 - 1661)

English judge and politician

English judge and politician
English jurist and academic, known for his influential writings on international law and jurisprudence.
Born in 1590, Richard Zouch studied law at Oxford and became Regius Professor of Civil Law. He authored key legal works, including treatises on maritime law and the law of prize. Zouch served as a judge on various ecclesiastical and admiralty courts during the English Civil War. His scholarship bridged academic analysis and practical application in royal commissions. Despite political upheaval, he maintained a reputation as a leading legal mind of his era. Zouch’s contributions shaped the development of English and international law.
1661 Richard Zouch
1697day.year

Francesco Redi

(1626 - 1697)

Italian physician and poet

Italian physician and poet
Pioneering Italian physician and naturalist, considered the father of experimental biology.
Born in 1626 in Arezzo, Francesco Redi studied medicine at the Universities of Pisa and Bologna. He conducted experiments that disproved spontaneous generation, using controlled studies on insect development. Redi’s seminal work, 'Esperienze intorno alla generazione degl’insetti', laid the foundations of parasitology. He made important observations on snake venom, blood circulation, and the anatomy of organisms. As a poet and translator, he also contributed to Italian literature and scientific communication. Redi died in 1697, leaving a legacy of systematic experimentation in biology.
1697 Francesco Redi
1734day.year

Roger North

(1653 - 1734)

English lawyer and author

English lawyer and author
English lawyer, biographer, and politician, remembered for his vivid memoirs and legal career.
Born in 1653, Roger North studied law at Cambridge and practiced at the Inner Temple. He served as Solicitor General and represented constituencies in the British Parliament. North authored extensive memoirs and biographies, offering insight into Restoration-era society. His legal writings and speeches contributed to the development of English common law. He was known for his engaging style and detailed accounts of political and legal events. North died in 1734, leaving behind valuable personal and historical narratives.
1734 Roger North
1862day.year

Peter Barlow

(1776 - 1862)

English mathematician and physicist

English mathematician and physicist
Peter Barlow was an English mathematician and physicist best known for inventing Barlow’s wheel and advancing early electromagnetic research.
Born in 1776 in Lincolnshire, Peter Barlow achieved fame with Barlow’s wheel, an early demonstration of electromagnetic rotation. He authored influential textbooks on mathematics, including works on calculus and determinantal algebra, which educated generations of students. Barlow also made practical contributions to hydraulics and optics, improving water pumps and lenses used in industry. An elected Fellow of the Royal Society, he collaborated with leading scientists of his era. His clear writing and experimental rigor helped bridge theoretical science and engineering practice. Barlow’s blend of innovation and pedagogy left a lasting impact on 19th-century science.
1862 Peter Barlow
1884day.year

Isaac Todhunter

(1820 - 1884)

English mathematician and academic

English mathematician and academic
Isaac Todhunter was an English mathematician renowned for his clear and comprehensive textbooks on algebra, calculus, and probability.
Born in 1820 in London, Isaac Todhunter excelled at Cambridge, graduating as Senior Wrangler and becoming a Fellow of his college. He authored seminal works such as 'A History of the Mathematical Theory of Probability' and authoritative textbooks on algebra and calculus. Todhunter clarified complex theories with concise explanations and historical context, making advanced mathematics accessible. He translated key texts by Laplace and Poisson, enriching English mathematical literature. A respected academic and lecturer, he influenced both students and scholarly research. Todhunter’s textbooks remained standard references long after his death, cementing his educational legacy.
1884 Isaac Todhunter
1911day.year

Jacobus Henricus van 't Hoff

(1852 - 1911)

Dutch-German chemist and academic, Nobel Prize laureate

Dutch-German chemist and academic Nobel Prize laureate
Pioneering Dutch-German chemist and first Nobel Prize laureate in Chemistry.
Born in 1852 in Rotterdam, van 't Hoff studied at Utrecht University. He proposed the van 't Hoff factor, explaining solute behavior in solution. In 1875, he published his groundbreaking work on chemical dynamics and reaction rates. His laws of chemical equilibrium and stereochemistry transformed the study of physical chemistry. In 1901, he received the inaugural Nobel Prize in Chemistry. Van 't Hoff's seminal book 'Études de dynamique chimique' became a foundational text. His discoveries laid the groundwork for modern chemical thermodynamics and kinetics.
1911 Jacobus Henricus van 't Hoff Nobel Prize
1943day.year

Alexandre Yersin

(1863 - 1943)

Swiss-French physician and bacteriologist

Swiss-French physician and bacteriologist
Swiss-French physician and bacteriologist best known for identifying the plague bacillus and pioneering tropical medicine.
Alexandre Yersin studied under Louis Pasteur and gained international acclaim by discovering Yersinia pestis as the cause of the 1894 Hong Kong plague outbreak. He conducted extensive field research across Southeast Asia, laying the foundations for modern tropical medicine and public health. Yersin founded the Pasteur Institute branch in Nha Trang, Vietnam, advancing vaccine development and disease prevention in the region. An avid explorer, he also made contributions to meteorology, agriculture, and education, earning a reputation as a Renaissance scientist. He spent much of his life in Indochina, bridging European scientific methods with local knowledge and needs. Yersin died in Nha Trang in 1943, leaving a lasting legacy in bacteriology and tropical research.
1943 Alexandre Yersin
1966day.year

Fritz Houtermans

(1903 - 1966)

Polish-German physicist and academic

Polish-German physicist and academic
Polish-German physicist known for pioneering research on stellar nuclear processes and cosmic rays.
Fritz Houtermans earned his doctorate in physics in Göttingen and made seminal contributions to our understanding of nuclear fusion in stars. He co-developed theories explaining how hydrogen nuclei fuse to form helium, providing the basis for stellar energy production models. Houtermans also conducted influential research on cosmic rays and geochronology using radioactive decay methods. Persecuted by the Nazis and later arrested by Soviet authorities, he held academic positions across Europe and the United States. He returned to Europe after World War II, serving as a professor at the University of Bern. Houtermans died in 1966, leaving a legacy as a foundational figure in astrophysics and nuclear science.
1966 Fritz Houtermans
1991day.year

Edwin H. Land

(1909 - 1991)

American scientist and businessman, co-founded the Polaroid Corporation

American scientist and businessman co-founded the Polaroid Corporation
American scientist, inventor, and entrepreneur, best known for co-founding the Polaroid Corporation and inventing instant photography.
Edwin H. Land (1909–1991) pioneered instant photography with the invention of the Polaroid Land Camera in 1948. A graduate of Harvard University, his work in optics and color vision led to innovative breakthroughs in imaging science. Land co-founded the Polaroid Corporation and oversaw the development of iconic products such as the SX-70 camera and polarized sunglasses. He held over 500 patents and received numerous awards for his contributions to science and industry. Land’s blend of creativity and technical expertise transformed consumer photography and optical technology.
1991 Edwin H. Land Polaroid Corporation
1995day.year

Georges J. F. Köhler

(1946 - 1995)

German biologist and academic, Nobel Prize laureate

German biologist and academic Nobel Prize laureate
German biologist and Nobel laureate celebrated for co-developing the monoclonal antibody technique.
Georges J. F. Köhler (1946–1995) shared the 1984 Nobel Prize in Physiology or Medicine with César Milstein and Niels K. Jerne for their groundbreaking work on monoclonal antibodies. His research at the Max Planck Institute revolutionized immunology and enabled the mass production of identical antibodies for diagnostics and treatment. Köhler’s methods have had lasting impact on biomedical research, leading to advances in cancer therapy and medical diagnostics. Alongside his Nobel-winning work, he mentored numerous young scientists and published influential studies. Köhler’s legacy continues to shape modern biotechnology and clinical medicine.
Georges J. F. Köhler Nobel Prize