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Andrew D. Booth Invents the First Magnetic Drum Memory

1948
photo of Andrew D. Booth
Image Source: www.amercrystalassn.org

Andrew D. Booth

In 1948 British electrical engineer, physicist and computer scientist Andrew D. Booth of Birkbeck College, London, created a magnetic drum memory, two inches long and two inches wide, and capable of holding 10 bits per square inch.

Booth offered his magnetic memory units for sale in 1952.

Timeline Themes

Computer & Calculator Design / Architecture
Memory / Mnemonics / Data Storage