Who wrote "Graph 71"?

[Joe Horn]

Can somebody help me identify the author of "GRAPH-71"?

I have a LIF floppy with "GRAPH-71" handwritten on the label, as well as "Sept 1, 1987". I only remember two things about it: (1) The software creates graphs (barplots, pie charts, etc) from data using the HP-71 and the ThinkJet printer; and (2) EduCALC sold it through their catalog. This disk was sent to me by the author (after I sent him a bug report)... but I can't remember who that was.

The disk's contents:

  No.    Name        Type         Size
   1.  PLOTUTIL    BASIC  71   1126 bytes
   2.  GRAPHLX     LEX    71   1098 bytes
   3.  BARGRAPH    BASIC  71   2841 bytes
   4.  FUNCPLOT    BASIC  71   2928 bytes
   5.  DATAEDT     BASIC  71   1043 bytes

None of these files contain the programmer's name, and I can't find any documentation for it on my shelves. Anybody here remember this software? Anybody have the documentation for it? I'd like to contact the author and ask permission to release it to the public domain.