“Ian Ridpath is one of the most dedicated and prolific writers on astronomy. His works all have clarity and authority.” Professor Sir Martin Rees, Astronomer Royal
The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects through international cooperation. The Individual Members Directory contains 9190 names in 96 countries worldwide.
The Linda Hall Library is the world’s foremost independent research library devoted to science, engineering, and technology. A not-for-profit, privately funded institution, the Library is open to the public free of charge.