List of Famous people who are 81

Stephen James Lippard is the Arthur Amos Noyes Emeritus Professor of Chemistry at the Massachusetts Institute of Technology. He is considered one of the founders of bioinorganic chemistry, studying the interactions of nonliving substances such as metals with biological systems. He is also considered a founder of metalloneurochemistry, the study of metal ions and their effects in the brain and nervous system. He has done pioneering work in understanding protein structure and synthesis, the enzymatic functions of methane monooxygenase (MMO), and the mechanisms of cisplatin anticancer drugs. His work has applications for the treatment of cancer, for bioremediation of the environment, and for the development of synthetic methanol-based fuels.

Alain Calmat is a French former competitive figure skater, surgeon, and politician. He is the 1964 Olympic silver medalist, the 1965 World champion, the 1962–1964 European champion, and the 1958 & 1962–1965 French national champion.

Philip Chapman Lesh is an American musician and a founding member of the Grateful Dead, with whom he played bass guitar throughout their 30-year career.

Lars-Åke Lagrell was a Swedish sports personality who was the president of the Swedish Football Association between 1991 and 2012. In 2002 Prime Minister of Sweden Göran Persson appointed him Governor of Kronoberg County. He continued to serve in both positions until 2006, which sparked some criticism because his football engagements were mainly in Solna, outside Stockholm, while as Governor he worked from Växjö. Both are essentially full-time positions.

Erwin Marschewski is a German politician of the Christian Democratic Union (CDU) and former member of the German Bundestag.

Daniel Wyler Stroock is an American mathematician, a probabilist. He is regarded as one of the fundamental contributors to Malliavin Calculus with Shigeo Kusuoka and the theory of diffusion processes with S. R. Srinivasa Varadhan.

John Edward Warnock is an American computer scientist and businessman best known as the co-founder of Adobe Systems Inc., the graphics and publishing software company. Warnock was President of Adobe for his first two years and chairman and CEO for his remaining sixteen years at the company. Although retired as CEO in 2000, he still co-chairs the board with Geschke. Warnock has pioneered the development of graphics, publishing, Web and electronic document technologies that have revolutionized the field of publishing and visual communications.