James E. West, PhD, a research professor in the department of electrical and computer engineering at Johns Hopkins University, will make two presentations on April 9. The first talk, 11:30 a.m.-1 p.m. in the Campus Center Ballroom, will feature an overview of the Black heritage in technology. From 4-5:30 p.m. in Tiernan Lecture Hall I, West will discuss the increasing awareness of noise as being detrimental to health in hospitals. >>