Lou Ottens (1926-2021)

Lodewijk Frederik (“Lou”) Ottens, the longtime technical director of the Dutch electronics firm Philips who led the teams developing the tape cassette in the early 1960s and the compact disc in the early ’80s, has died at 94.

Ottens insisted that cassettes and CDs be small enough to fit “pocketable” players, The Washington Post’s Harrison Smith writes in an obituary: