Celebration marred by a traumatic incident characterized the American Chemical Society national meeting last week. Nobel Laureate Glenn T. Seaborg— just one day after receiving a medal as one of the Chemical & Engineering News Top 75 Distinguished Contributors to the Chemical Enterprise (C&EN, Jan. 12, page 171)—fell after an evening stroll. Seaborg, 86, had apparently suffered a minor stroke and at press time was listed in stable condition at a Boston hospital. Almost 14,000 people registered for the meeting, with its hundreds of technical sessions. Nearly 1,000 of them raised a toast on Aug. 23 to Seaborg and 21 other Top 75 contributors, including nine Nobel Laureates, at an event hosted by ACS President Paul H. L. Walter. A commemorative booklet—made possible in part by a grant from the Camille & Henry Dreyfus Foundation—profiling the Top 75 also was distributed at the event (C&EN, Aug. 24, page 57). Afterward, the John F. Kennedy Library ...