EditorialA photo provided by Fadi Kheir of Michael Tilson Thomas conducting the New York Philharmonic at David Geffen Hall in New York on March 9, 2023. (Fadi Kheir via The New York Times)
EditorialMichael Tilson Thomas, who has been undergoing treatment for an aggressive brain cancer, leads the Los Angeles Philharmonic in Mahler’s Ninth Symphony, in Los Angeles on Jan. 15, 2023. (Lauren Lancaster/The New York Times)
EditorialMichael Tilson Thomas rehearses with the Boston Symphony Orchestra at Tanglewood in Lenox, Mass., on Saturday, Aug, 27, 2022. (Lauren Lancaster/The New York Times)
EditorialThe conductor Michael Tilson Thomas leads the New York Philharmonic at the Alice Tully Hall, Nov. 4, 2021. (Richard Termine/The New York Times)
EditorialJosh Broder, chief executive of Tilson, which builds fiber and cellular networks, at the company's offices in Portland, Maine, Jan. 25, 2020. (Sarah Rice/The New York Times)