Biography
Juan Santa María Álvarez Juan Santa María Álvarez (Medellín, 15 December 1928 - 28 October 2007) was a Colombian civil engineer and philatelist who signed the Roll of Distinguished Philatelists in 1994. In 1985, the Fédération Internationale de Philatélie awarded him the FIP Medal for Research. He was professor of mathematics at the Universidad Nacional de Colombia.
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Original sources:
https://en.wikipedia.org/wiki/Juan_Santa_María_Álvarez
References
- "Juan Santa María Álvarez." Wikipedia.