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Memorials
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Here we remember deceased slide rule collectors
who had a public presence in the slide rule world
and take note of their contributions.
They are listed most recent first.
John Prince
November 13, 1941 – December 6, 2005
John specialized in collecting K&E rules, with a strong
interest in Pickett as well. In 2002, John described how he
started with slide rules in 1960:
"I used a K&E 4181-3 ; we were mandated to use either a
4081-3 or 4181-3 in our freshman slide rule class. I chose the cheaper
(very important to a married 18 year old) rule and never regretted it despite
the dire predictions from some faculty about dimensional stability and
durability. I never really needed a more complex rule while working in
graduate school as an electrical engineer." [ISRG, message 15929]
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Dick Schwartzer
March 5, 1933 – March 11, 2005
Dick operated The Slide Rule Emporium,
the major source for new-in-box Pickett slide rules.
Dick was a friend to many.
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Joe Levine
December 19, 1948 – January 25, 2005
Joe was a regular contributor to the ISRG list from its
beginnings, with the handle "JoeDentist,"
perhaps best known for his Schmendrolog
April Fools' Day hoax.
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Herman van Herwijnen
October 15, 1929 – August 8, 2004
Herman was a prominent member of the Dutch Circle
of Slide Rule Collectors.
His major work was a CD database with over 5000
slide rules cataloged (including images).
In addition he co-authored
the book Calculating on Slide Rule and Disc
and published many times
in the Journal of the Oughtred
Society.
He was also a seller of slide rules.
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Click for larger picture |
Michael O'Leary
November 27, 1951 – July 19, 2003
Michael's slide rule accomplishments ranged from
development of the K&E and Pickett master XREF spreadsheets,
to moderating the ISRG discussion list,
to writing for
the Journal of the Oughtred Society.
Michael corresponded
with many collectors around the world.
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Picture credits:
Schwartzer and Prince, from newspaper obituaries;
van Herwijnen, from Otto van Poelje;
O'Leary, from Jim Cerny.
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