Ernst Marcus (zoologist)
A pioneering zoologist who fled Nazi Germany to build a world-class center for marine research in Brazil.
1893–1968 (age 75)·German zoologist·Birthday: June 8·The Lost Generation
Biography
Ernst Marcus carved out a monumental scientific legacy far from his German homeland. A specialist in invertebrate zoology, particularly tiny creatures like tardigrades and bryozoans, his career in Berlin was abruptly cut short by the Nazi regime's racial laws. In 1936, he accepted an invitation from the University of São Paulo, part of a wave of European intellectuals that transformed Brazilian academia. In São Paulo, he didn't just continue his research; he built an institution. He was a driving force behind the founding of the university's Oceanographic Institute, turning a landlocked city into a hub for marine biology. For nearly three decades, he mentored generations of Brazilian scientists, describing hundreds of new species with meticulous care. His work established a lasting school of zoology, proving that scientific excellence could take root and flourish in exile.
The Lost Generation
1883–1900
Came of age during World War I. Disillusioned by the carnage, they rejected the certainties of the Victorian era and built modernism from the wreckage — in art, literature, and politics.
Ernst was born in 1893, placing them squarely in The Lost Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Ernst Was Born
The biggest hits of 1893
Ernst's Life & Times
The world at every milestone
1893Born
World's Columbian Exposition dazzles Chicago
President: Grover Cleveland
1898Started school
Spanish-American War; US emerges as a world power
President: William McKinley
1906Became a teenager
San Francisco earthquake devastates the city
President: Theodore Roosevelt
1909Could drive
Robert Peary claims to reach the North Pole
President: William Howard Taft
1911Could vote
Triangle Shirtwaist Factory fire kills 146 in New York
President: William Howard Taft
1914Turned 21
World War I begins
President: Woodrow Wilson
1923Turned 30
The Great Kanto earthquake devastates Tokyo
President: Calvin Coolidge"Yes! We Have No Bananas" — Billy Jones
1933Turned 40
FDR's New Deal launches; Prohibition ends
Gas: $0.18/galPresident: Franklin D. Roosevelt"Stormy Weather" — Ethel WatersBest Picture: Cavalcade
1943Turned 50
Allies invade Sicily; Battle of Stalingrad ends
Gas: $0.21/galHome: $3,290Min wage: $0.30/hrPresident: Franklin D. Roosevelt"I've Heard That Song Before" — Harry JamesBest Picture: Casablanca
1953Turned 60
DNA structure discovered by Watson and Crick
Gas: $0.27/galHome: $8,750Min wage: $0.75/hrPresident: Dwight D. Eisenhower"Song from Moulin Rouge" — Percy FaithBest Picture: From Here to Eternity
1963Turned 70
JFK assassinated in Dallas; Martin Luther King's 'I Have a Dream' speech
Gas: $0.31/galHome: $13,100Min wage: $1.25/hrPresident: Lyndon B. Johnson"Sugar Shack" — Jimmy Gilmer & The FireballsBest Picture: Tom Jones
1968Died at 75
Martin Luther King Jr. and Robert Kennedy assassinated
Gas: $0.34/galHome: $14,950Min wage: $1.60/hrPresident: Lyndon B. Johnson"Hey Jude" — The BeatlesBest Picture: Oliver!
Key Achievements
- Published over 250 scientific papers, describing countless new species of invertebrates.
- Co-founded the Oceanographic Institute at the University of São Paulo in 1946.
- Held the chair of zoology at the University of São Paulo for 27 years, training a generation of Brazilian biologists.
Did You Know?
He and his wife, Eveline Du Bois-Reymond Marcus, also a noted zoologist, frequently collaborated on research.
He was an expert on 'water bears' (tardigrades), resilient microscopic animals.
Despite being a leading marine biologist, his base in São Paulo is hundreds of miles from the ocean.
He began his academic career studying medicine before switching to zoology.
“In this drop of water is a universe waiting for a name.”
