1556day.year

Sophia Brahe

(1556 - 1643)

Danish horticulturalist and astronomer

Danish horticulturalist and astronomer
Danish horticulturalist and astronomer who collaborated with her brother Tycho Brahe.
Sophia Brahe (1556–1643) was a Danish noblewoman known for her work in astronomy and horticulture. She assisted her brother, the astronomer Tycho Brahe, in celestial observations and cataloging stars. Brahe published her own astronomical observations and developed medicinal gardens at her family estates. Her botanical knowledge contributed to early modern horticultural science and herbal medicine. Sophia’s scholarly achievements challenged contemporary gender roles in science and earned her lasting recognition.
1556 Sophia Brahe
1824day.year

Antonio Stoppani

(1824 - 1891)

Italian geologist and scholar

Italian geologist and scholar
Antonio Stoppani was an Italian geologist and scholar renowned for popularizing Earth sciences in the 19th century.
Antonio Stoppani made significant contributions to the study of paleontology and glaciology in Italy. He authored influential works such as "Il Bel Paese" which combined geological insight with cultural history. As a professor at the University of Milan, he mentored a generation of Italian scientists. Stoppani advocated for the integration of scientific education into broader curricula and served as a scientific advisor to the Vatican. His clear writing style and lectures helped bring geological concepts to the general public. Today he is remembered as a pioneer who bridged the gap between science and society.
1824 Antonio Stoppani
1862day.year

Zonia Baber

(1862 - 1956)

American geographer and geologist

American geographer and geologist
Zonia Baber was an American geographer and geologist notable for her work in geography education.
A pioneer in geographic pedagogy, Zonia Baber founded the Geographic Society of Chicago and promoted hands-on learning methods. She developed innovative teaching tools such as relief maps and field instruction to engage students. Baber also campaigned for women’s suffrage and social reform, linking geographic literacy to civic awareness. Her publications emphasized the importance of studying Earth’s processes and human-environment interactions. Through her leadership roles and writings, she helped shape modern geography as an academic discipline in the United States.
1862 Zonia Baber
1893day.year

Haim Ernst Wertheimer

(1893 - 1978)

German-Israeli biochemist and academic

German-Israeli biochemist and academic
German-Israeli biochemist known for his research in protein chemistry and agricultural science.
Haim Ernst Wertheimer was born in Munich in 1893 and studied chemistry at the University of Munich. Fleeing Nazi Germany, he immigrated to Palestine in 1933 and joined the Hebrew University of Jerusalem’s Faculty of Agriculture. There, he led pioneering research on protein metabolism in plants and animals, establishing key biochemical methods. Wertheimer’s work contributed to the improvement of crop nutrition and animal husbandry in the region. He published extensively and mentored a generation of Israeli scientists. In 1956, he became the first head of the Department of Biochemistry at Hebrew University. His career spanned over four decades, earning him national and international acclaim. Wertheimer passed away in 1978, leaving a strong legacy in biochemistry and agricultural science.
1893 Haim Ernst Wertheimer
1899day.year

Albert Claude

(1899 - 1983)

Belgian biologist and academic, Nobel Prize laureate

Belgian biologist and academic Nobel Prize laureate
Belgian cell biologist and Nobel laureate who pioneered techniques in cellular research.
Albert Claude was born in 1899 in Belgium and became a pioneer of cell biology. He developed innovative techniques combining electron microscopy with cell fractionation, which revealed the structure and function of organelles. His groundbreaking studies on the ultrastructure of cells earned him the Nobel Prize in Physiology or Medicine in 1974, shared with de Duve and Palade. Claude’s work laid the foundation for modern molecular biology and understanding of cellular processes. He held research positions at the Rockefeller Institute in New York and influenced generations of researchers. His contributions advanced medical science, particularly in understanding disease mechanisms at the cellular level. Claude remained active in research and mentorship until his death in 1983.
Albert Claude Nobel Prize
1902day.year

Fernand Braudel

(1902 - 1985)

French historian and academic

French historian and academic
French historian who pioneered the longue durée approach and reshaped modern historiography.
Fernand Braudel was born in 1902 in France and became a leading figure of the Annales School of historiography. His monumental work The Mediterranean and the Mediterranean World in the Age of Philip II introduced the idea of studying history over long durations to capture social, economic, and environmental factors. Braudel’s methodology emphasized structures over events, influencing generations of historians. He served as director of the École des Hautes Études en Sciences Sociales and taught at the Sorbonne. His other writings, including Civilization and Capitalism, spanned centuries and continents, blending quantitative data with narrative. Braudel’s interdisciplinary approach bridged history with geography, sociology, and economics. He remained active in teaching and research until his death in 1985.
1902 Fernand Braudel
1913day.year

Charles Snead Houston

(1913 - 2009)

American physician and mountaineer

American physician and mountaineer
American physician and pioneering high-altitude mountaineer who led early Himalayan expeditions.
Charles Snead Houston (1913-2009) was an American physician renowned for his contributions to high-altitude medicine and Himalayan mountaineering. A graduate of Harvard Medical School, he combined his medical expertise with a passion for climbing. Houston served as the medical officer on several K2 expeditions and led the first American expedition to Mount Everest in 1952. He authored numerous articles on high-altitude physiology and mountain safety. Beyond his expeditions, he advocated for conservation of mountain environments. Houston's blend of scientific rigor and adventurous spirit left a profound mark on both medicine and mountaineering.
1913 Charles Snead Houston
1919day.year

J. Gordon Edwards

(1919 - 2004)

American entomologist, mountaineer, and DDT advocate

American entomologist mountaineer and DDT advocate
American entomologist and Himalayan expedition biologist known for his advocacy of DDT use.
J. Gordon Edwards (1919-2004) was an American entomologist whose research focused on insect ecology and high-altitude environments. A passionate mountaineer, he served as the expedition biologist on several Himalayan climbs, studying insect life at extreme elevations. Edwards also became a prominent advocate for the public health use of DDT in combating malaria and other vector-borne diseases. He published numerous scientific papers and articles blending his expertise in entomology, mountaineering, and environmental health. Edwards's career exemplified the intersection of field biology and adventurous exploration.
J. Gordon Edwards
1921day.year

Eric Simms

(1921 - 2009)

English ornithologist and conservationist

English ornithologist and conservationist
English ornithologist and conservationist known for his pioneering wildlife broadcasting and influential conservation efforts.
Eric Simms was a renowned English ornithologist who brought the study of birds to a mass audience. He worked as a naturalist and writer for the BBC, producing radio and television programs on wildlife. Simms authored several seminal books on British birds and their habitats. A passionate conservationist, he campaigned for the protection of wetland and woodland areas. His research and outreach helped raise public awareness of bird conservation in the UK. His legacy endures through his publications and the many conservation initiatives he inspired.
1921 Eric Simms
1922day.year

Howard Zinn

(1922 - 2010)

American historian, author, and activist

American historian author and activist
American historian and activist best known for 'A People's History of the United States' that challenged traditional narratives.
Howard Zinn was an influential American historian whose work emphasized the perspectives of marginalized groups. Born in Brooklyn, he served as a bombardier in World War II before earning his doctorate. His 1980 book 'A People's History of the United States' became a bestseller and academic staple. Zinn advocated for social justice, civil rights, and anti-war movements throughout his life. He taught at Boston University and was active in numerous protests and grassroots initiatives. His writings and lectures inspired generations to question authority and embrace critical historical analysis. Zinn's legacy endures in educational curricula and progressive activism worldwide.
Howard Zinn
1923day.year

Arthur Jensen

(1923 - 2012)

American psychologist and academic

American psychologist and academic
American psychologist known for his research on human intelligence and its genetic and environmental components.
Arthur Jensen was a prominent psychologist whose research focused on psychometrics and cognitive abilities. His work at University of California, Berkeley, sparked debates over the heritability of intelligence. Jensen's 1969 article in Harvard Educational Review challenged prevailing views on IQ and education. He argued that genetic factors play a significant role in individual differences in intelligence. Despite controversy, his rigorous methodology influenced the field of educational psychology. Jensen authored numerous books and articles that remain foundational in intelligence research. His legacy includes ongoing discussions about intelligence testing and educational equity.
1923 Arthur Jensen
1927day.year

Harry Markowitz

(1927 - 2023)

American economist and academic, Nobel Prize laureate

American economist and academic Nobel Prize laureate
American economist and academic who pioneered modern portfolio theory and won the Nobel Prize in Economic Sciences.
Born in 1927, Harry Markowitz developed the groundbreaking mean-variance analysis in his 1952 doctoral thesis, laying the foundation for modern portfolio theory. His efficient frontier concept revolutionized investment management by quantifying risk and return trade-offs. Markowitz held professorships at institutions including Carnegie Mellon and the University of California, San Diego. In 1990, he was awarded the Nobel Prize in Economic Sciences for his work on asset allocation. He continued to publish influential research on financial markets and risk management until his passing in 2023.
Harry Markowitz Nobel Prize