Charles David "Doc" Herrold (November 16, 1875 – July 1, 1948) was an American inventor and pioneer radio broadcaster, who began experimenting with audio...

Herrold is a surname of Anglo-Saxon origin, meaning "love of the army". Notable people with the surname include: Charles Herrold (1875-1948), American...

major site of United States Navy research and technology. In 1909, Charles Herrold started the first radio station in the United States with regularly...

States still in existence, KCBS (AM) (740 kHz), founded by engineer Charles Herrold in 1909. As the home of Silicon Valley, the Bay Area is also a technologically...

January 2020. Retrieved 28 April 2020. "Bay Area Radio Museum: The Charles Herrold Story". 12 August 2014. "U.S. Economic Development Administration:...

voice and music by 1906. Charles "Doc" Herrold of San Jose, California sent out broadcasts as early as April 1909 from his Herrold School electronics institute...

to larger audiences. Charles Herrold started broadcasting in California in 1909 and was carrying audio by the next year. (Herrold's station eventually became...

conducted by Fessenden, Valdemar Poulsen, Ernst Ruhmer, Quirino Majorana, Charles Herrold, and Lee de Forest, were hampered by the lack of a technology for amplification...

for Diffie-Hellman-Merkle public key exchange, Marconi Prize winner Charles Herrold, creator of the first radio station in the world Ted Hoff (Ph.D. 1962)...

San Jose, in early December 1921. However, the original licensee, Charles Herrold, had begun making audio radio transmissions in 1909, as part of an...