Also from the beginning, a Foucault Pendulum, you can look it up!

‘In his will ((he died in 1919)) Griffith J. Griffith donated funds to build an observatory, exhibit hall, and planetarium on the land he donated to the city in 1896.

‘Griffith’s objective was to make astronomy accessible by the public, as opposed to the prevailing idea that observatories should be located on remote mountaintops and restricted to scientists. By the terms of his will admission to the Griffith Observatory will always been free.’