The Mathematical Tourist

December 29, 2021

Barrel Cactus

Arizona Barrel Cactus (Ferocactus wislizeni). Laura Jean Deal Desert Arboretum, Bosque del Apache National Wildlife Refuge, San Antonio, New Mexico, 2021.

Photo by I. Peterson

Math Tourist at Wednesday, December 29, 2021

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About Me

Math Tourist: Ivars Peterson is a freelance writer and editor. He was Director of Publications at the Mathematical Association of America from 2007 to 2014. As an award-winning mathematics writer, he previously worked at Science News for more than 25 years and served as editor of Science News Online and Science News for Kids. His books include The Mathematical Tourist, Islands of Truth, Newton's Clock, and Fragments of Infinity: A Kaleidoscope of Math and Art.

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December 29, 2021

Barrel Cactus

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