Leigh L. Klotz, Jr.

I don't update my home page much.
Most of my web time away from work is spent updating the Graflex.Org and Curta.Org sites that I publish. Here is the obligatory weblog.

Here are some pictures

• 4x5 Speed Graphic Slides and Prints
• Colorado
• Polaroid Transfers
• Santa Barbara Negatives
• Palm Tree at Highway 101 Underpass, Santa Barbara
• 
      Palo Alto Weekly newspaper photo contest 1997, second place. With photo and bio.
   
• Boy on train, Tokyo, 1990 I took this in Tokyo in 1990 with a 35mm point-and-shoot camera.

Web Sites

I publish the following web sites.  Please visit them.

		http://graflex.org
		Dedicated to promoting the use and preservation of Graflex Speed Graphics and other classic American cameras.
		http://curta.org
		For Curta mechanical calculators.

Here we are

	Pictures of Becky and me.
	Becky's home page.
	Read about Ursula's Really Big Adventure. (Sadly, Ursula is no longer with us.)

The Web

	Get Firefox
	See http://www.w3.org. I was the Xerox representative of to the World Wide Web Consortium, the standards body for the web.
	I was an editor of the XForms 1.0 recommendation. For more information, see http://www.w3.org/Markup/Forms.

Projects

These are projects I've done. Check them out.

• Danger Hiptop / T-Mobile Sidekick

  I have a variety of packages for enhancing this exciting product: Hiptop Software.

• Progress

  Ever wanted to copy use a | and get little dots to appear showing you something has happened? Use progress.

• Rio Receiver

  I have a SonicBlue Rio Receiver. Jeff Mock got it to run under Linux, and I made some updates to the software. Here's my updated software. I've sent the changes to Jeff.

• Intel QX3 Microscope

  For my code and images, see here.

• Meter

  A remote controlled meter widget

• K6Mult for Linux

  k6mult sets the CPU clock multiplier on the AMD K6-III+/K6-2+. It's useful if you have an I-Opener

Stuff I did in the past

• Logo at the MIT AI Lab, under Seymour Papert, Hal Abelson, and Andy diSessa
• • Logo was licensed to Terrapin, Krell, and a few other companies
  • At Terrapin I did Commodore 64 Logo and Logo for the Macintosh (Sold from the "Fat Mac" era to MacOS 8.
• Boxer at MIT LCS (diSessa and Abelson) and UC Berkeley (diSessa)
• • Boxer Home Page at UC Berkeley
  • See screen shots of boxer in a paper on Boxer and Logo by Henry Picciotto
  • The first article about Boxer appears in the first page of the first issue of the Journal of Human Computer Interaction:

    diSessa, A. A. (1985a). A principled Design for an Integrated Computational Environment. Human-Computer Interaction, 1(1), 1 - 47.

  • More papers on Boxer

  I'm almost famous

  • Actually, what I said was "ramped up".
    Forbes Magazine, April 3, 2000.

  Early network postings

  I used the ARPA Net starting in 1979, which is coincidentally around the time USENET was created as well. Here are some early USENET postings, the earliest from 1982.

  • 1982: where's the end of the line?
    1982-06-12 23:21:11 PST
  • 1982: Jerry Pournelle and I argue about "Small Computer Editors/Insert mode"
    ME: 1982-06-19 22:08:59 PST
    Jerry Pournelle responds: 1982-06-21 02:23:45 PST
    Pournelle responds again: 1982-07-03 21:40:41 PST
    
  • 1983: I complain about the sad state of commercial e-mail.
    MCIMail
  • I have trouble getting High Speed network access installed and am stymined by the phone company -- in 1982!
    Thursday, 14 October 1982 15:55-EDT -- search for "klotz"
  • 1983: net.lang.logo -- I vote yes
    Sat Jan 1 19:50:04 1983
  • 1983: Hand-held Japanese computer
    Fri Apr 1 07:24:54 1983
  • 1983: Does anyone have a good 6809 floating point package?
    1983-08-06 14:14:00 PST
  • 1984: perils of not having cursor motion commands
    14 May 1984 01:01-EDT
  • 1984: Early 68000 Unix problems cross compiling for Mac
    1984-07-28 17:34:35 PST

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  Here are the Patents

  • Method for avoiding creation of duplicate keyword objects representing user entered data on a machine readable form (US 5,793,495)
  • Reprographic device for making copies with multi-spaced lines (US 5,528,732)
  • System for storage and retrieval of digitally encoded information on a medium (US 5,459,307)
  • Paper saving reprographic device (US 5,642,473)
  • System for representing electronic files using a paper based medium (US 5,682,540)

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  Other Stuff

  • Other claims to fame
    I wrote Commodore 64 Logo. And worked on Apple II Logo, and TI 99/4 Logo at MIT, and at Terrapin, where I also co-authored a version of the 512K Mac (which ran fine until Mac OS 8, btw). Don't ask about the benighted Commodore 264...or the Commodore 16.
  • My Emacs Hacks

    Various Emacs hacks Emacs is the ultimate programmer's editor, under development since the late 1970's. The original version was written in TECO and ran on the DEC PDP-10. I worked on it for a while at MIT. Later, Richard Stallman and the Gnu Free Software Foundation re-wrote it in a interpreted/compiled Lisp, and it's been quite succesful. It runs on Unix, Windows of various sorts, and other operating systems. Before Java, it was the only really good example of writing the entire system in a scripting language running on a standard OS (as opposed to grafting an extension language onto some system already written in C or something).

    I designed and implemented M-$ for Emacs in TECO, announced by RMS September 1981.

  • Really Old Software
    Really old software which other people wrote but which is no longer available, free to download. Mostly old Unix utilities, but some PostScript stuff as well.
  • Recipies
    Olde Family Recipies

  Links

  My father, Leigh L. Klotz, Sr.
  My wife Becky
  Our cat Ursula (RIP 1998).

  Xerox, where I work.

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  Contact

  	<klotz@graflex.org>
  	MIT Keyserver info: Leigh L. Klotz, Jr. <klotz@graflex.org> or 0xEECE5526 Fingerprint: 8453 DF03 88F4 345B 2F 2F01 C9A2 D14F 74 EECE 5526 do not use the DFD5A004E6EA726F72D45353EE3E83FF170602D3 key

  Palo Alto, California