Credits
The image in the Question is from Wikimedia Commons https://commons.wikimedia.org/wiki/File:San_Francisco_Palace_of_Fine_Ar… under Creative Commons CC0 1.0 Universal Public Domain Dedication license.
It is attributed to Authorhttps://pixabay.com/en/users/cameralends-562673/
The image in the Explanation is from Wikimedia Commons. https://commons.wikimedia.org/wiki/File:Bernard_Maybeck_by_Slevin_(1919…
.jpg){kind=link}
It is in the public domain.
Source: Calisphere https://calisphere.org/item/ark:/13030/c8j1017c/
Author: L. S. Slevin