Dutch engineer and inventor Lou Ottens, best known for inventing the cassette tape, died on March 6. He was 94. Lodewijk Frederik Ottens was born on June 21, 1926, and exhibited an interest in ...

Ottens became head of Philips' product development department in 1960, where he and his team developed the cassette tape. In 1963, it was presented at the Berlin Radio electronics fair and soon ...