Charles Alton Ellis, born OTD in 1876, was a #Purdue professor and the mathematician chiefly responsible for the structural design of the Golden Gate Bridge in #SanFrancisco https://cromwell-intl.com/travel/usa/san-francisco/?s=mb #travel #history
Visiting San Francisco

Visiting the City by the Bay, with the Golden Gate, Haight-Ashbury, the Mission, and more

Bob's Pages of Travel, Linux, Cybersecurity, and More