The New York Times: Narinder S. Kapany, ‘Father of Fiber Optics,’ Dies at 94.
[1]https://www.nytimes.com/2021/01/07/technology/narinder-s-kapany-dead.html

References

   1. https://www.nytimes.com/2021/01/07/technology/narinder-s-kapany-dead.html