Career
He wrote many popular textbooks as well as making over 20,000 observations of variable stars. Šafařík"s father, Pavel Jozef Šafárik, was a Slovak philologist and historian.
He wrote many popular textbooks as well as making over 20,000 observations of variable stars. Šafařík"s father, Pavel Jozef Šafárik, was a Slovak philologist and historian.
