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The 2023 Chambliss Astronomical Writing Award will be given to Henny Lamers (emeritus professor of Astronomy at the University of Amsterdam) and Emily Levesque (assistant professor at the University of Washington) for their textbook Understanding Stellar Evolution (IOP Publishing Ltd., 2017). This has just been announced by the AAS, the American Astronomical Society.
Henny Lamers, a gray haired man with glasses and a beard in front of a cabinet of books about astronomy.
Henny Lamers in 2020

Henny Lamers (1941) is delighted with the award. He explains that the book originated as a result of the lectures on the structure and evolution of stars he has given in Seattle since 2004. 'When my lectures were taken over by a new colleague, Emily Levesque, in 2016, we decided to write a book together based on my notes.'

The book appeared in print and as an e-book in 2017. A revised version was published in 2022.

About the prize
The Chambliss Astronomical Writing Award is intended for astronomical texts for an academic audience. It specifically addresses textbooks used in college. Books eligible for this award must be currently available in North America. The award consists of one gold medal and $1,000. Henny Lamers receives the gold medal because he is first author. Lamers and Levesque share the $1,000 cash prize.