- Inventor of cassette tapes passes away, looking back at the art of making mixed tapesKARE 11
- RIP Lou Ottens, Developer Of The Compact Cassette And MoreHackaday
- Dutch inventor of audio cassette tape, Lou Ottens, dies at age 94TribLIVE
- Talking Tech: Musings about mixtapes after the death of Lou Ottens, creator of the audio cassetteUSA TODAY
- Dutch inventor of cassette tape, who filled teen bedrooms with music, dies at 94The Times of Israel
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