[SIGCIS-Members] Fran Allen lecture on STRETCH / HARVEST just released

Ralph Simpson ralphenator at gmail.com
Sun Aug 16 10:14:44 PDT 2020

Hi Dag,

Thanks for sending this video, it was very interesting. I liked the part at
21:30 when she finally says, "Did I mention this was for codebreaking?" LOL

Best Wishes,

*Ralph Simpson*

*SimpsonHistory <https://simpsonhistory.com/>   **Ci
<https://cipherhistory.com/>**pherHistory <https://cipherhistory.com/>*

      [image: SimpsonHistory.com] <https://SimpsonHistory.com>         [image:
CipherHistory.com] <https://CipherHistory.com>


On Sat, Aug 15, 2020 at 3:04 PM Dag Spicer <dspicer at computerhistory.org>

> Hi everyone,
> Here is a great lecture from the Computer History Museum archives — just
> released — with Fran Allen discussing the Stretch/Harvest compiler at the
> Museum, November 8, 2000, on the occasion of her being made a CHM Fellow.
> She won the ACM Turing Award in 2006.
> Enjoy!
> https://youtu.be/BD035veZd-E
> Synopsis:
> In response to government requests, IBM Research designed a system for a
> very large data processing application, known as the HARVEST system, based
> on the Stretch supercomputer (IBM 7030), which was delivered to the
> National Security Agency in the early 1960s. The combined Stretch-HARVEST
> Project created a milieu for developing new technologies, new hardware
> architectures, and new software to meet the challenges of both systems. One
> of the guiding principles of the project was to make programming easier by
> the use of a compiler to generate code automatically from statements in the
> user's language.
> Frances "Fran" Allen was a member of the ALPHA language design team which
> created a very high level language featuring, among other things, the
> ability to create new alphabets beyond the system defined alphabets (e.g.
> English, decimal, integer, binary) and treat complex, heterogeneous data in
> high-level statements. In addition to an overview of Stretch-HARVEST, the
> talk will describe some of the lesser known aspects of the project the
> people and institutions involved, the political climate, and the shared
> knowledge, views, and value systems which were part of this interesting
> project at an interesting time in the history of computing.
> Catalog number: 102621818
> Lot number: X4835.2009
> Dag
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