Ernst Mayr dies

Towering figure of 20th century evolutionary biology was 100

Written byLeslie Pray
| 3 min read

Register for free to listen to this article
Listen with Speechify
0:00
3:00
Share

Ernst Mayr, the eminent evolutionary biologist and arguably one of the most influential scientists of the 20th century, died Thursday morning (February 3) at the age of 100, Harvard University said today.

Mayr, known for his work on speciation and contributions to the modern evolutionary synthesis of the 1940s, died at a retirement community in Bedford, Mass., the university said. No specific cause of death was noted.

In his classic 1942 book, Systematics and the Origin of Species, Mayr championed allopatric speciation, whereby new species form only in physical isolation. It was not a new idea, as even Darwin had entertained the notion before settling on the opposite, sympatric view: that speciation does not require geographical separation. But scientists didn't embrace allopatric speciation, said University of Maryland's Kerry Shaw, until Mayr "cogently and forcefully argued" the case. "He had a major influence on our thinking about speciation as a process ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Meet the Author

Share
February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

bioxcell

Products

Sino Biological Logo

Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

Sino Biological Logo

Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

Refeyn logo

Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies