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    John W. Backus, 82, Fortran Developer, Dies
    Posted on Thursday, March 29, 2007 @ 22:23:34 MST by vlad

    General
    Published: March 19, 2007

    John W. Backus, who assembled and led the I.B.M. team that created Fortran, the first widely used programming language, which helped open the door to modern computing, died on Saturday at his home in Ashland, Ore. He was 82.



    His daughter Karen Backus announced the death, saying the family did not know the cause, other than age.

    Fortran, released in 1957, was “the turning point” in computer software, much as the microprocessor was a giant step forward in hardware, according to J. A. N. Lee, a leading computer historian.

    Fortran changed the terms of communication between humans and computers, moving up a level to a language that was more comprehensible by humans. So Fortran, in computing vernacular, is considered the first successful higher-level language.

    Mr. Backus and his youthful team, then all in their 20s and 30s, devised a programming language that resembled a combination of English shorthand and algebra. Fortran, short for Formula Translator, was very similar to the algebraic formulas that scientists and engineers used in their daily work. With some training, they were no longer dependent on a programming priesthood to translate their science and engineering problems into a language a computer would understand.

    In an interview several years ago, Ken Thompson, who developed the Unix operating system at Bell Labs in 1969, observed that “95 percent of the people who programmed in the early years would never have done it without Fortran.”

    He added: “It was a massive step.”

    Fortran was also extremely efficient, running as fast as programs painstakingly hand-coded by the programming elite, who worked in arcane machine languages. This was a feat considered impossible before Fortran. It was achieved by the masterful design of the Fortran compiler, a program that captures the human intent of a program and recasts it in a way that a computer can process.

    In the Fortran project, Mr. Backus tackled two fundamental problems in computing — how to make programming easier for humans, and how to structure the underlying code to make that possible. Mr. Backus continued to work on those challenges for much of his career, and he encouraged others as well.

    “His contribution was immense, and it influenced the work of many, including me,” Frances Allen, a retired research fellow at I.B.M., said yesterday.

    Mr. Backus was a bit of a maverick even as a teenager. He grew up in an affluent family in Wilmington, Del., the son of a stockbroker. He had a complicated, difficult relationship with his family, and he was a wayward student.

    In a series of interviews in 2000 and 2001 in San Francisco, where he lived at the time, Mr. Backus recalled that his family had sent him to an exclusive private high school, the Hill School in Pennsylvania.

    “The delight of that place was all the rules you could break,” he recalled.

    After flunking out of the University of Virginia, Mr. Backus was drafted in 1943. But his scores on Army aptitude tests were so high that he was dispatched on government-financed programs to three universities, with his studies ranging from engineering to medicine.

    After the war, Mr. Backus found his footing as a student at Columbia University and pursued an interest in mathematics, receiving his master’s degree in 1950. Shortly before he graduated, Mr. Backus wandered by the I.B.M. headquarters on Madison Avenue in New York, where one of its room-size electronic calculators was on display.

    When a tour guide inquired, Mr. Backus mentioned that he was a graduate student in math; he was whisked upstairs and asked a series of questions Mr. Backus described as math “brain teasers.” It was an informal oral exam, with no recorded score.

    He was hired on the spot. As what? “As a programmer,” Mr. Backus replied, shrugging. “That was the way it was done in those days.”

    Back then, there was no field of computer science, no courses or schools. The first written reference to “software” as a computer term, as something distinct from hardware, did not come until 1958.

    In 1953, frustrated by his experience of “hand-to-hand combat with the machine,” Mr. Backus was eager to somehow simplify programming. He wrote a brief note to his superior, asking to be allowed to head a research project with that goal. “I figured there had to be a better way,” he said.

    Mr. Backus got approval and began hiring, one by one, until the team reached 10. It was an eclectic bunch that included a crystallographer, a cryptographer, a chess wizard, an employee on loan from United Aircraft, a researcher from the Massachusetts Institute of Technology and a young woman who joined the project straight out of Vassar College.

    “They took anyone who seemed to have an aptitude for problem-solving skills — bridge players, chess players, even women,” Lois Haibt, the Vassar graduate, recalled in an interview in 2000.

    Mr. Backus, colleagues said, managed the research team with a light hand. The hours were long but informal. Snowball fights relieved lengthy days of work in winter. I.B.M. had a system of rigid yearly performance reviews, which Mr. Backus deemed ill-suited for his programmers, so he ignored it. “We were the hackers of those days,” Richard Goldberg, a member of the Fortran team, recalled in an interview in 2000.

    After Fortran, Mr. Backus developed, with Peter Naur, a Danish computer scientist, a notation for describing the structure of programming languages, much like grammar for natural languages. It became known as Backus-Naur form.

    Later, Mr. Backus worked for years with a group at I.B.M. in an area called functional programming. The notion, Mr. Backus said, was to develop a system of programming that would focus more on describing the problem a person wanted the computer to solve and less on giving the computer step-by-step instructions.

    “That field owes a lot to John Backus and his early efforts to promote it,” said Alex Aiken, a former researcher at I.B.M. who is now a professor at Stanford University.

    In addition to his daughter Karen, of New York, Mr. Backus is survived by another daughter, Paula Backus, of Ashland, Ore.; and a brother, Cecil Backus, of Easton, Md.

    His second wife, Barbara Stannard, died in 2004. His first marriage, to Marjorie Jamison, ended in divorce.

    It was Mr. Backus who set the tone for the Fortran team. Yet if the style was informal, the work was intense, a four-year venture with no guarantee of success and many small setbacks along the way.

    Innovation, Mr. Backus said, was a constant process of trial and error.

    “You need the willingness to fail all the time,” he said. “You have to generate many ideas and then you have to work very hard only to discover that they don’t work. And you keep doing that over and over until you find one that does work.”

    Source: http://www.nytimes.com/2007/03/19/obituaries


     
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    "John W. Backus, 82, Fortran Developer, Dies" | Login/Create an Account | 2 comments | Search Discussion
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    Re: John W. Backus, 82, Fortran Developer, Dies (Score: 1)
    by modernsteam on Saturday, March 31, 2007 @ 07:23:06 MST
    (User Info | Send a Message)
    I'm very impressed with the work of Mr. Backus and his team.  To me, MASM Assembler is a collosal struggle beyond about 30 lines of code, but I found Fortran somewhat easier (though I've forgotten it now), and C better still. But Fortran did enable so many "non-programmers" to begin to do their own work for the first time, an exponential growth in the use of computers, so much so, that the hardware folks, like IBM, and newcomers like Digital, were given incentive to improve their "machines" to keep up with software development demands. The "biggie", of course, was replacing "chunky" vacuum tubes with solid state components, and eliminating the expense of constant tube replacement several times a day, in some cases.

    Now, in "Free Energy", we're mooting about using vacuum  tubes once again, because transistors and their cousins can't keep up with frequency demands in non-linear vacuum (no pun intended) energy extraction.

    Hal Ade.



    Re: John W. Backus, 82, Fortran Developer, Dies (Score: 1)
    by dfwrunner on Saturday, March 31, 2007 @ 16:47:31 MST
    (User Info | Send a Message)
    Fortran is alive and well.  Released standards are available for Fortran 90, Fortran 95, Fortran 2003, and in work Fortran 2008 standards.  Compilers are amply available (actually not long ago, there were more Fortran vendors than C vendors (MS killed the C vendors)).  Fortran 2003 is fully object oriented but backwards compatible.  Fortran 2008 will add co-arrays for parallel processing among other things.  No compiler yet implements Fortran 2003, but some are getting close.  It was a quite huge increase in size. 

    http://www.j3-fortran.org



     

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