Lou Ottens, inventor of the cassette tape, dies aged 94

Dutch engineer was also instrumental in development of first CD in his work at Philips

Lou Ottens, the Dutch engineer credited with inventing the cassette tape and playing a major role in the development of the first CD, has died aged 94 at his home in the village of Duizel in North Brabant.

As product development manager at Philips, Ottens twice revolutionised the world of music but remained modest to the end. We were little boys who had fun playing," he said. We didn't feel like we were doing anything big. It was a kind of sport."