James Edward Maceo West was born in Virginia's Prince Edward County in 1931. He grew up interested in the workings of everyday objects and studied physics at Temple University. Summer internships at Bell Laboratories introduced him to research colleagues before he completed his degree in 1957 and joined the company. The National Inventors Hall of Fame connects those early experiences with his later work in acoustics.
At Bell Labs, West worked with Gerhard Sessler on a compact, sensitive microphone. Their foil electret design used a thin film that could retain an electric charge as part of the process of converting sound into an electrical signal. The invention belongs to both researchers, and their patent application was filed in May 1962.
The design became useful in products ranging from sound-recording equipment to hearing aids and telephones. Its contribution lay in a particular combination of size, cost and acoustic performance: a microphone that was small, inexpensive and accurate enough for mass use. Electret microphones began appearing in telephones and other equipment later in the decade, and versions of the design remain common in everyday electronics.
West spent about four decades at Bell Laboratories. His work extended across acoustics, materials and transducers, devices that convert energy from one form to another. After retiring from Bell in 2001, he moved into university research at Johns Hopkins. The university's current biography identifies him as professor emeritus of electrical and computer engineering and mechanical engineering.
His academic research has included efforts to improve teleconferencing sound and develop new transducers. The same university account emphasizes his mentoring and programs encouraging women and underrepresented students to enter science and engineering, responsibilities that connect technical inquiry with the conditions that help people gain entry to a research career.
West has also worked with the National Inventors Hall of Fame's educational activities, contributing to Camp Invention materials, visiting program sites and judging collegiate inventions. The organization inducted him in 1999 and records his National Medal of Technology recognition in 2006.
Johns Hopkins featured West among African American faculty and staff in its Indispensable Role of Blacks exhibit.
