William Yeager
| William Yeager | |
|---|---|
| Born |
June 16, 1940 San Francisco |
| Education | Bachelor's degree in mathematics Master's degree in mathematics Doctoral course |
| Alma mater | University of Washington San Jose State University University of California, Berkeley |
| Occupation | American engineer software programmer |
| Employer | Stanford University NASA Ames Research Center Sun Microsystems. |
| Known for | IMAP protocol Inventor of packet switched devices and router Network OS programmer |
| Notable work | Patents |
William "Bill" Yeager (born June 16, 1940, San Francisco) is an American engineer. He is best known for being the inventor of a packet-switched, "Ships in the Night," multiple- router in 1981, during his 20-year tenure at Stanford's Knowledge Systems Laboratory as well as the Stanford University Computer Science department. The code was licensed by upstart Cisco Systems in 1987 and comprised the core of the first Cisco IOS.
He is also known for his role in the creation of the IMAP mail protocol. In 1984 he conceived of a client/server protocol, designed its functionality, applied for and received the grant money for its implementation. In 1985 Mark Crispin was hired to work with Bill on what became the IMAP protocol. Along with Mark, who implemented the protocols details and wrote the first client, MMD, Bill wrote the first Unix IMAP server. Bill later implemented MacMM which was the first MacIntosh IMAP client. Frank Gilmurray assisted with the initial part of this implementation.
At Stanford in 1979 Bill wrote the ttyftp serial line file transfer program, which was developed into the MacIntosh version of the at Columbia University. He was initially hired in August 1975 as a member of Dr. Elliott Levanthal's Instrumentation Research Laboratory. Here, Bill was responsible for a small computer laboratory for biomedical applications of mass spectrometry. This laboratory in conjunction with several chemists, and the Department of inherited rare diseases in the medical school made significant inroads in identifying inherited rare diseases from the gas chromatograph, mass spectrometer data generated from blood and urine samples of sick children. His significant accomplishment was to complete a prototype program initiated by Dr. R. Geoff Dromey called CLEANUP. This program "extracted representative spectra from GC/MS data," and was later used by the EPA to detect water pollutants.
From 1970 to 1975 he worked at NASA Ames Research Center where he wrote, as a part of the Pioneer 10/11 mission control operating system, both the telemetry monitoring and real time display of the images of Jupiter. After his tenure at Stanford he worked for 10 years at Sun Microsystems.
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