Hershey Fonts now 50 years old

I grew up with X-Y scope displays, their associated electrostatic printers, and Calcomp pen plotters. To draw letters and symbols on these, we used Fortran libraries driven by data tables to make "Hershey Characters". This year, the Hershey Font system and libraries turn 50 years old: https://books.google.com/books/about/Calligraphy_for_computers.html?id=qFFC… A little more context: https://en.wikipedia.org/wiki/Hershey_fonts Happy Anniversary, Hershey! The PLOT-10 Fortran vector graphics library was published in 1971 and will have its 50th anniversary in 2021: http://www.computerhistory.org/collections/catalog/102646117 102646117 - Computer History Museum<http://www.computerhistory.org/collections/catalog/102646117> www.computerhistory.org Three color brochure of the Plot-10 software. The cover includes a date stamp and an image of two men using a terminal that displays the graphing system. The brochure ... T<https://www.harrisgeospatial.com/docs/using_hershey_vector_fon.html>… N3QE [https://books.google.com/books/content?id=qFFCAAAAIAAJ&printsec=frontco… Calligraphy for computers - Google Books<https://books.google.com/books/about/Calligraphy_for_computers.htm… books.google.com Consideration is given to the possibility of providing a computer and a cathode ray printer with an unlimited repertory of characters. Digitalizations are presented ...