[ih] David C. Walden

Paul Ruizendaal pnr at planet.nl
Wed May 4 07:42:58 PDT 2022


I’ve never met Dave, but he was super helpful just a few years ago when I was researching old TCP/IP implementations and the C/70 machines. Indeed a great guy.

Paul

> On 4 May 2022, at 01:58, internet-history-request at elists.isoc.org wrote:
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> Today's Topics:
> 
>   1. Re: David C. Walden (Jorge Amodio)
>   2. Re: David C. Walden (Dave Crocker)
>   3. Re: David C. Walden (Darius Kazemi)
>   4. Re: David C. Walden (Jack Haverty)
>   5. Re: David C. Walden (Bernie Cosell)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 3 May 2022 17:29:34 -0500
> From: Jorge Amodio <jmamodio at gmail.com>
> To: "Nelson H. F. Beebe" <beebe at math.utah.edu>
> Cc: internet-history at elists.isoc.org
> Subject: Re: [ih] David C. Walden
> Message-ID: <59BABD1D-0FBF-426F-ADA4-DB9B43BE4064 at gmail.com>
> Content-Type: text/plain; charset=utf-8
> 
> 
> Sad news. 
> Most sincere condolences to family and friends.
> 
> -Jorge
> 
>> On May 3, 2022, at 8:04 AM, Nelson H. F. Beebe via Internet-history <internet-history at elists.isoc.org> wrote:
>> 
>> ?I was sorry to see an announcement yesterday from Boris Veytsman, the
>> President of the TeX Users Group:
>> 
>>>> ...
>>>> In other unhappy news, I am very sad to report the passing of a great
>>>> friend and TeX enthusiast, Dave Walden.  Dave was a living history of
>>>> computers and computer typesetting, who knew everything and everybody.
>>>> He was one of the most generous people I ever knew, always here to
>>>> help and support.  He was a TUG director and treasurer for many years.
>>>> I learned a lot from Dave and his advice.  He will be missed.  (A longer
>>>> memoriam will appear in the next TUGboat.)
>>>> ...
>> 
>> Dave was an Internet pioneer who between 1970 and 1976 appears in the
>> author list of at least 27 Internet RFC documents, spanning numbers 61
>> to 716.
>> 
>> The University of Utah is Node 4 of the original Arpanet, and Dave
>> told me that it was he who installed the first BBN (Bolt Beranek and
>> Newman, Inc.) IMP here at Utah.  That happened several years before I
>> arrived in Salt Lake City, so I didn't meet him until the post-2000
>> years at TeX User Group conferences.
>> 
>> In later years, after his retirement from BBN, Dave became an editor
>> of the journal IEEE Annals of the History of Computing. He also wrote
>> 16 articles in that journal, including two on the history of BBN, one
>> on that of Interleaf, Inc., and co-authored two on that of the TeX
>> typesetting system.  BibTeX entries for all of them can be found in
>> 
>>   http://www.math.utah.edu/pub/tex/bib/ieeeannhistcomput.bib
>> 
>> [change .bib to .html for a view with active hyperlinks].
>> 
>> Dave wrote 47 articles in TUGboat, the journal of the TeX Users Group,
>> 
>>   http://www.math.utah.edu/pub/tex/bib/tugboat.bib
>> 
>> including numerous interviews with TUG members.
>> 
>> Dave's Web sites at
>> 
>>   https://walden-family.com/
>>   https://walden-family.com/dave/
>> 
>> document some of his other activities.
>> 
>> -------------------------------------------------------------------------------
>> - Nelson H. F. Beebe                    Tel: +1 801 581 5254                  -
>> - University of Utah                                                          -
>> - Department of Mathematics, 110 LCB    Internet e-mail: beebe at math.utah.edu  -
>> - 155 S 1400 E RM 233                       beebe at acm.org  beebe at computer.org -
>> - Salt Lake City, UT 84112-0090, USA    URL: http://www.math.utah.edu/~beebe/ -
>> -------------------------------------------------------------------------------
>> -- 
>> Internet-history mailing list
>> Internet-history at elists.isoc.org
>> https://elists.isoc.org/mailman/listinfo/internet-history
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Tue, 3 May 2022 15:42:41 -0700
> From: Dave Crocker <dhc at dcrocker.net>
> To: internet-history at elists.isoc.org
> Subject: Re: [ih] David C. Walden
> Message-ID: <82184f22-8791-62dd-3dd8-6c3b2e2bd77b at dcrocker.net>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> On 5/3/2022 6:04 AM, Nelson H. F. Beebe via Internet-history wrote:
>> Dave was an Internet pioneer who between 1970 and 1976 appears in the
>> author list of at least 27 Internet RFC documents, spanning numbers 61
>> to 716.
> 
> I did not have much interaction with Dave, back in the early days.  He 
> was, for me, merely one of the deservedly-vaunted BBN team.
> 
> In more recent years, he was immediately friendly and supportive during 
> the odd email-origins pseudo-controversy developed and he actively 
> provided bits of help as he could.
> 
> Our community has had quite an array of personalities that can be 
> challenging.
> 
> Dave wasn't one of them. I am extremely to sorry he is gone.
> 
> d/
> 
> -- 
> Dave Crocker
> Brandenburg InternetWorking
> bbiw.net
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Tue, 3 May 2022 16:21:19 -0700
> From: Darius Kazemi <darius.kazemi at gmail.com>
> To: dcrocker at bbiw.net
> Cc: internet-history <internet-history at elists.isoc.org>, Dave Crocker
> 	<dhc at dcrocker.net>
> Subject: Re: [ih] David C. Walden
> Message-ID:
> 	<CADHc3QHcJBLAk85sGmGz8kiYTXtXavHS-kPJvJ88Jg7rv9R5jg at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> Oh this is so, so sad. Dave helped me immensely in my 50th anniversary RFC
> blogging project. He was generous in providing critical context I needed,
> and a truly personable and funny correspondent.
> 
> His website is a treasure trove and a document of his many passions:
> https://www.walden-family.com/dave/
> 
> In particular he co-edited this massive (and massively interesting!) tome
> on the history of BBN from its earliest days: https://walden-family.com/bbn/
> 
> I hardly knew him but he left a great impression on me. My condolences to
> all his loved ones.
> 
> -Darius
> 
> On Tue, May 3, 2022, 3:42 PM Dave Crocker via Internet-history <
> internet-history at elists.isoc.org> wrote:
> 
>> On 5/3/2022 6:04 AM, Nelson H. F. Beebe via Internet-history wrote:
>>> Dave was an Internet pioneer who between 1970 and 1976 appears in the
>>> author list of at least 27 Internet RFC documents, spanning numbers 61
>>> to 716.
>> 
>> I did not have much interaction with Dave, back in the early days.  He
>> was, for me, merely one of the deservedly-vaunted BBN team.
>> 
>> In more recent years, he was immediately friendly and supportive during
>> the odd email-origins pseudo-controversy developed and he actively
>> provided bits of help as he could.
>> 
>> Our community has had quite an array of personalities that can be
>> challenging.
>> 
>> Dave wasn't one of them. I am extremely to sorry he is gone.
>> 
>> d/
>> 
>> --
>> Dave Crocker
>> Brandenburg InternetWorking
>> bbiw.net
>> --
>> Internet-history mailing list
>> Internet-history at elists.isoc.org
>> https://elists.isoc.org/mailman/listinfo/internet-history
>> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Tue, 3 May 2022 16:26:20 -0700
> From: Jack Haverty <jack at 3kitty.org>
> To: internet-history at elists.isoc.org
> Subject: Re: [ih] David C. Walden
> Message-ID: <5b6fa519-8ca2-b41c-13f6-c27bf709c1a5 at 3kitty.org>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> Dave's obituary is at:
> 
> https://www.olsonparent.com/obituary/David-Walden
> 
> In addition to everything else, Dave was one of the original ARPANET 
> implementation team.? He actually "wrote the code" to create the net.? 
> More recently, he was very helpful in the efforts to research the IMP as 
> prior art for a patent fight, and in the successful revival of the old 
> IMP code starting from an old printout, and getting the IMP to actually 
> run again on simulated hardware.
> 
> Jack Haverty
> 
> On 5/3/22 15:42, Dave Crocker via Internet-history wrote:
>> On 5/3/2022 6:04 AM, Nelson H. F. Beebe via Internet-history wrote:
>>> Dave was an Internet pioneer who between 1970 and 1976 appears in the
>>> author list of at least 27 Internet RFC documents, spanning numbers 61
>>> to 716.
>> 
>> I did not have much interaction with Dave, back in the early days.? He 
>> was, for me, merely one of the deservedly-vaunted BBN team.
>> 
>> In more recent years, he was immediately friendly and supportive 
>> during the odd email-origins pseudo-controversy developed and he 
>> actively provided bits of help as he could.
>> 
>> Our community has had quite an array of personalities that can be 
>> challenging.
>> 
>> Dave wasn't one of them. I am extremely to sorry he is gone.
>> 
>> d/
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Tue, 03 May 2022 19:58:02 -0400
> From: "Bernie Cosell" <bernie at fantasyfarm.com>
> To: internet-history at elists.isoc.org
> Subject: Re: [ih] David C. Walden
> Message-ID: <6271C18A.23526.17527ACF at bernie.fantasyfarm.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> On 3 May 2022 at 16:26, Jack Haverty via Internet-history wrote:
> 
> Date:        	Tue, 3 May 2022 16:26:20 -0700
> To:          	internet-history at elists.isoc.org
> Subject:     	Re: [ih] David C. Walden
> From:        	Jack Haverty via Internet-history <internet-history at elists.isoc.org>
> Reply to:    	Jack Haverty <jack at 3kitty.org>
> Sender:      	"Internet-history" <internet-history-bounces at elists.isoc.org>
> 
>> Dave's obituary is at:
>> 
>> https://www.olsonparent.com/obituary/David-Walden
>> 
>> In addition to everything else, Dave was one of the original ARPANET 
>> implementation team.? He actually "wrote the code" to create the net.?
> 
> I joined the IMP project of Jan 1969 -- Dave and Will had started on the IMP 
> proposal in the fall of '68.  I was tied up on another project and joined when the 
> contract was actually awarded -- in Jan.  Dave and Will had been working on 
> chunks of the IMP code with paper tape -- I have no idea how they were editing 
> the tapes nor how it worked.  I do know that they almost *never* reassembled 
> any of the code {because it was real hard :o)} and so Will had a big notebook with 
> the official "patch log".   I was responsible for the timesharing system on our 
> PDP-1 [part of the Hospital Computer Project, and it stayed at BBN when the 
> project ended] and I was anal about having correct listings.   There was a 
> potential serious clash of cultures when i joined.  I discovered, to my pleasant 
> surprise, that Dave didn't like all the paper tape stuff much either.  And so we 
> hatched a plan.  We *knew* that Frank [Heart] and Will would _never_ have 
> OK'ed our messing with how the IMP was coded and assembled.
> 
> So.. dave and I just _did_it_ [you know the old saw about forgiveness vs 
> permission :o)].  We started on one Friday late afternoon and began "porting" -- I 
> had cobbled up a cross-assembler on the PDP-1 that could punch out an 
> H516-loadable paper tape, and we copied all the paper tapes over to the PDP-1 
> and edited the cumulative patches into the PDP-1 source files.  Then we tried to 
> make it all work [I vaguely remember that it took a few iterations for the two of 
> us to get it actually loadable and working].... BUT... Dave and I worked well 
> together and we pulled it all off -- when the folks came in on Monday morning 
> there was a fresh, new system with a full correct listing waiting.   I never learned 
> what Will thought about that -- I think he just took it as a fait accompli.  I know 
> that Frank never said a word to us about it.   Dave and I stayed close friends 
> throughout my tenure at BBN.   He was my longest time colleague and best 
> friend at BBN.
> 
>  /Bernie\
> 
> 
>                 Bernie Cosell
>         bernie at fantasyfarm.com
> -- Too many people; too few sheep --
> 
> 
> 
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