Oscar L. Tang and Agnes Hsu-Tang with Deborah Borda, the New York Philharmonic's former president and chief executive, at a New York Philharmonic gala in New York, Dec. 2, 2021. The Philharmonic announced on Tuesday, Sept. 12, 2023, that it had secured a $40 million donation from the financier Oscar L. Tang, a co-chairman of its board, and his wife, Agnes Hsu-Tang, an archaeologist and art historian, the largest contribution to the endowment in the ensemble's 181-year history. (Krista Schlueter/The New York Times)