Michael E. Mann
American climatologist at the University of Pennsylvania; lead author of the “hockey stick” temperature reconstruction.
At a glance
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- Michael E.
- Mann is an American climatologist and geophysicist, born in 1965.
- With Raymond Bradley and Malcolm Hughes he led the 1998 and 1999 reconstructions of past temperatures dubbed the “hockey stick graph”, and he was a lead author of a chapter of the IPCC’s 2001 Third Assessment Report.
- He taught at the University of Virginia and from 2005 at Penn State, and in 2022 became a Presidential Distinguished Professor at the University of Pennsylvania.
- He co-founded the RealClimate blog and wrote books including The New Climate War (2021) and Our Fragile Moment (2023).
- His defamation suit against Mark Steyn and Rand Simberg won a jury verdict in February 2024; the award against Steyn was later cut from $1 million to $5,000, a court in 2025 ordered Mann to pay National Review’s legal fees, and in November 2025 he and National Review settled.
Key facts
- Born
- 1965; raised in Amherst, Massachusetts1
- Education
- AB, University of California, Berkeley (1989); PhD, Yale University1
- Positions
- University of Virginia 1999 to 2005; Penn State 2005 to 2022; University of Pennsylvania from 20221
- Hockey stick
- Lead author of the MBH98 and MBH99 reconstructions1
- IPCC
- Lead author, Third Assessment Report (2001)1
- Books
- Dire Predictions (2008), The Hockey Stick and the Climate Wars (2012), The Madhouse Effect (2016), The Tantrum That Saved the World (2018), The New Climate War (2021), Our Fragile Moment (2023)1
- Honours
- Foreign Member of the Royal Society (2024)1
Links
Sources
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