Not everyone at the labs had a three-letter login.  Bjarne Stroustrup had the login bs, despite several gentle suggestions from myself and others that he add a middle initial...
Steve

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> On Nov 21, 2019, at 5:18 AM, William Cheswick <ches@cheswick.com> wrote:
>
> BTW, Bob Morris was not a Senior, and had no middle name.  It is my understanding that he inserted an “h” when a middle initial was demanded at the Labs, hence “rhm”.
>
> His son is Robert Tappan Morris, Labs login and general tag “rtm," is not a junior.
>
> (I had to fight spelling correction on this Mac so much for this post that I have turned it off.)
>
>> On Nov 12, 2019, at 8:43 PM, John P. Linderman <jpl.jpl@gmail.com> wrote:
>>
>> Lorinda Cherry told me that that RTM (senior) used to test people's programs by feeding them to themselves as input, a.out < a.out. It helped cure people of the assumption that a program would only see "reasonable" inputs.
>