Susan Solomon is professor at the Massachusetts Institute of Technology and was the founding director of the MIT Environmental Solutions Initiative. She is known for pioneering work on the Antarctic ozone layer and for landmark studies of the timescales of climate change. She has received many scientific honors and awards, including the US National Medal of Science, the Grande Médaille from the French Academy of Sciences, and the Crafoord Prize from the Royal Swedish Academy of Sciences. She is the author of The Coldest March, which was named a New York Times notable book and an Economist book of the year.