Quotes:Schweitzer, Bogdan Yakovlevich

Zirkoff, Boris

Schweitzer, Bogdan Yakovlevich (1816-74). Russian astronomer educ. Zürich and Königsberg Univ. Associated with the famous Pulkovo Observatory since 1841. Astronomer of the Moscow Univ. Observ. since 1845. At the Constantine Institute in 1852. Prof, and Director of Observ. at Moscow Univ, in 1856. Delineated the areas of Russian Provinces. His Researches were publ. in Astron. Nachrichten and the Chronicles of Pulkovo Observatory.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 2, p. 544