Bob Bemer

Bob Bemer
Name	Bob Bemer
Birth date	February 8, 1920
Birth place	Sault Ste. Marie, Michigan
Death date	June 22, 2004
Death place	Possum Kingdom Lake, Texas
Nationality	American
Known for	ASCII, Escape sequence, Y2K
Occupation	Computer scientist, Programmer

Bob Bemer. Robert William Bemer was a pioneering American computer scientist whose foundational work shaped the early digital age. He played a crucial role in the development of the ASCII standard and the concept of escape sequences, which became fundamental to computer programming and data transmission. His later advocacy regarding the Year 2000 problem earned him the nickname "the prophet of Y2K."

Early life and education

Born in Sault Ste. Marie, Michigan, Bemer displayed an early aptitude for mathematics and engineering. He attended the Cranbrook Educational Community before pursuing higher education at Albion College and later University of Denver. His formal studies were interrupted by service in the United States Army Air Forces during World War II, where he worked on advanced avionics and radar systems. This technical military experience provided a critical foundation for his subsequent career in the burgeoning field of electronic computing.

Career and contributions

Bemer's professional career began at Rand Corporation, where he engaged with early computer projects. He later held significant positions at major corporations pivotal to the Information technology industry, including Lockheed Corporation, IBM, and General Electric. At IBM, he contributed to the development of the influential FORTRAN programming language and the SHARE user group. His work often focused on software portability and data compatibility, addressing critical challenges as mainframe computer systems proliferated across American business.

Development of ASCII and escape sequences

Bemer's most enduring technical contribution was his central role on the American National Standards Institute committee that created the ASCII character-encoding standard. He championed the inclusion of the backslash character and, critically, invented the concept of the escape sequence. This mechanism, initiated by the ESC code, allowed control characters to signal shifts in interpretation for teleprinters and early video terminals. This innovation was essential for developing complex text formatting, printer control, and early graphical user interface protocols, influencing systems like IBM PC and Unix.

Work on time-sharing and software

A strong advocate for efficient computing resource use, Bemer was deeply involved in early time-sharing system development during his tenure at General Electric. He contributed to the GE-600 series and its associated GECOS operating system, a precursor to later multiuser environments. His foresight regarding software crisis issues led him to promote concepts like modular programming and the reuse of software components. He also worked on projects for the North American Rockwell corporation and consulted for the United States Department of Defense on command and control systems.

Y2K awareness and advocacy

Beginning in the early 1970s, Bemer became one of the first voices to warn about the impending Year 2000 problem. He recognized that the common programming practice of using two-digit year fields, which he had used himself at IBM, would cause widespread data corruption and system failures at the turn of the century. He tirelessly lectured, wrote articles, and consulted for organizations like the Congress of the United States and the Social Security Administration to raise awareness. His early advocacy, though often initially dismissed, proved prescient and spurred global Y2K remediation efforts.

Later life and legacy

In his later years, Bemer remained an active consultant and commentator on computer history and software engineering ethics. He received recognition from institutions like the Computer History Museum, which honored his contributions to ASCII and Y2K preparedness. He passed away at his home in Possum Kingdom Lake, Texas. Bob Bemer's legacy is embedded in the fundamental architecture of modern computing, from the universal character set that enables global digital communication to the heightened awareness of long-term software maintenance challenges his Y2K campaign exemplified.

Category:American computer scientists Category:2004 deaths Category:1920 births