21.   He had suffered a brief illness, said Dr. Herbert Simon of Carnegie-Mellon University, a friend and colleague.

22.   He had suffered a brief illness, the university said.

23.   He had suffered from a brief illness, according to the Robert J. Kane Funeral Home in South East, Mass. Details were not released.

24.   He died at St. Francis Hospital in Memphis, Tenn., after a brief illness, said Marcy Vaughn Perkins, his niece.

25.   He had a brief illness, said Dr. David Phillips, a colleague at the Population Council in New York City, where Monder worked.

26.   He suffered a brief illness, his family reported.

27.   He suffered a brief illness, said his son, Robert S. Bennett.

28.   He suffered a brief illness, said his stepdaughter, Virginia Heal of Manassas.

29.   He suffered a brief illness, said Maureen Moran, an editor at Donald MacCampbell Inc. in Manhattan.

30.   He suffered a brief illness, said the University of California at San Diego Medical Center, where Moser founded and directed the division of pulmonary and critical care.