Former Washington University Engineering Dean Ralph S. Quatrano Dies at 84

Quatrano was an internationally renowned plant scientist and academic leader at the university.

Published on Feb. 28, 2026

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Ralph S. Quatrano, a pioneering plant biologist and former dean of the Washington University in St. Louis School of Engineering & Applied Science, died on February 24, 2026, at the age of 84. Quatrano held several leadership positions at the university, including serving as chair of the Department of Biology and interim dean of the faculty of Arts & Sciences.

Why it matters

Quatrano was a highly respected academic leader and scholar who made significant contributions to plant science research and education at Washington University. His passing marks the end of an era and the loss of an influential figure in the university's history.

The details

Quatrano was an internationally renowned plant scientist who was among the first to apply molecular biology to the study of gene expression in plants. Over his career, he wrote more than 180 scientific papers, lectured worldwide, won multiple teaching awards, and mentored generations of students and scholars. In addition to his research work, Quatrano held several leadership positions at Washington University, including serving as dean of the School of Engineering & Applied Science from 2010-2015 and chair of the Department of Biology from 1998-2008.

  • Quatrano died on February 24, 2026.
  • A celebration of life will be held at 2 p.m. on May 9, 2026, in Whitaker Hall at the Washington University McKelvey School of Engineering.

The players

Ralph S. Quatrano

An internationally renowned plant scientist and former dean of the Washington University in St. Louis School of Engineering & Applied Science.

Andrew D. Martin

The chancellor of Washington University in St. Louis, who praised Quatrano's profound impact on the university.

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What they’re saying

“As I think about individuals who have had such profound effects on Washington University, I can think of very few who have had the impact that Ralph has had on this place.”

— Andrew D. Martin, Chancellor, Washington University in St. Louis (Mirage News)

What’s next

Memorial contributions may be made to the Ralph S. & Lee Anne Quatrano Scholarship at Washington University or to the Ranken Jordan Quatrano Family Fund for Research & Publications.

The takeaway

Quatrano's passing marks the loss of a highly respected academic leader and plant science pioneer who made significant contributions to research and education at Washington University over his distinguished career.