Years:
1911–2001
Year Hutchinson Medal awarded:
1985
British botanist, taxonomist, horticultural scholar, and botanical historian, widely considered one of the greatest botanical scholars of his time.
William Thomas Stearn was a distinguished British botanist widely recognized for his extraordinary contributions to botanical nomenclature, botanical Latin, cultivated plant taxonomy, and historical botany.
Early Life and Education:
Stearn was born in Cambridge, England. Largely self-educated due to limited family means, he developed an early fascination with plants, books, and natural history. He attended Cambridge High School for Boys, where he was active in the Natural History Society and became deeply committed to botany. After finishing school, he could not afford university study and instead worked as an a prentice bookseller at Bowes & Bowes in Cambridge. During this period, he studied independently—reading botanical literature, attending evening classes, and using university botany facilities with special permission. He published his first paper at age 18, demonstrating profound scholarly initiative.
Career in Botany and Horticulture:
From 1933 to 1952, Stearn served as a librarian at the Royal Horticultural Society’s Lindley Library, where he laid the foundation for his lifelong scholarship in botanical nomenclature, horticultural taxonomy, and historical botany. From 1952 until his retirement in 1976, he served in the botany department of the Natural History Museum. Stearn also served as a visiting professor of botany at Cambridge University from 1977 to 1983, contributing to academic training in botanical taxonomy and history.
Major Contributions:
Stearn’s most famous publication, Botanical Latin (1966), became the definitive global reference for scientific plant naming and remains foundational for botanists and horticulturists.
Published in 1972, the Dictionary of Plant Names for Gardeners offered gardeners an accessible guide to scientific plant names, making botanical knowledge more understandable to non-specialists.
In the early 1950s, Stearn drafted the first International Code of Nomenclature for Cultivated Plants, coining the modern horticultural terms “cultivar” and “grex.” Stearn wrote more than 470 books, articles, and monographs, spanning botanical taxonomy; histories of botany and horticulture; studies on major genera (e.g., Epimedium, Paeonia, Allium); botanical illustration; and Linnaean scholarship. He is the official botanical author for more than 400 plant species that he formally named and described.
Awards and Recognition
Stearn received numerous prestigious honors, including:
- Veitch Memorial Medal (1964)
- Victoria Medal of Honour (1965)
- Linnean Medal (1976)
- Commander of the Order of the British Empire, CBE (1997)
He was widely considered one of the greatest botanical scholars of his time.