Merlin's Books?

[Structo]

Alan Blumlein, not sure I have heard of him before.

Looking him up I see a lot of electronic inventions and innovations.

He was only 38 when he was killed in a plane crash during a test flight for
communication research.

Telecommunications
Ultra-linear amplifier
Long-tailed pair
Stereophonic sound
Made innovations in television
H2S airborne radar

He has 128 patents.

https://en.wikipedia.org/wiki/Alan_Blum ... _amplifier