Boyan Petrov

Boyan Petrov was a Bulgarian zoologist and mountaineer, who worked at the National Museum of Natural History in Sofia. At the time of his disappearance he had climbed 10 out of the 14 eight-thousanders, all without supplementary oxygen.

Bulgarian stamp issued in 1979

This came from a stamp album given as a gift long ago. I scanned these from 06/30 to 7/1/2020. You can see the nearly 700 stamps I scanned from this album sorted by country here on Flickr.

Click here to see all BULGARIAN stamps in this album.