RARE "Polish Astronomer" Włodzimierz Zonn Hand Signed Envelope For Sale

Up for sale a RARE!  "Polish Astronomer" Włodzimierz Zonn Hand Signed Envelope.

ES-4952E

Wlodzimierz Zonn (July 14, 1905, Vilnius - February 28, 1975) was a Polish astronomer. He studied at the University of Stefan Batory at Wilno, where he later worked as a professor. From 1950, Zonn was director of

Astronomical Observatory of the University of Warsaw. For

many years (1952 - 1955 and 1963 - 1973), he was President of the Polish Astronomical

Society.