Mary Elizabeth Gibson was an I.P. Sharp Associates employee, known for her work as the Calgary branch manager and in other management roles. While at IPSA, she hired both Arthur Whitney and Roger Hui as summer students, and was the editor of Quote Quad for several years in the early 1970s. After leaving she worked as CEO or executive at numerous network and communications companies. She was involved in the development of Sympatico ISP, now known as Bell Internet.
- Roger Hui. APL Quotations and Anecdotes. Accessed 2022-08-31.
- Roger Hui. A Lifetime of Working with Ken. Vector journal volume 22 issue 3. 2006-08.
- Lib Gibson. A brief history of the APL community. APL Quote Quad Volume 6 Number 4. 1975-12.
- Strategy magazine. High-profile providers move onto the Internet. 1995-12-11.