Alan Dower Blumlein was an English electronics engineer, notable for his many inventions in telecommunications, sound recording, stereophonic sound, television and radar. He received 128 patents and was considered one of the most significant engineers and inventors of his time.
Halifax II V9977, which crashed on 7 June 1942, pictured at RAF Defford. Note the H2S radome under the belly.
Memorial window at Goodrich Castle commemorating Blumlein and the other engineers, scientists and servicemen involved in radar development
Blue Plaque located in Ealing, West London
IEEE milestone plaque located on the right hand side of the front door at Abbey Road Studios
Sound recording and reproduction
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording.
Frances Densmore and Blackfoot chief Mountain Chief working on a recording project of the Bureau of American Ethnology (1916).
Emile Berliner with disc record gramophone
Singer Tatjana Angelini recording the Swedish voice of Snow White in Snow White and the Seven Dwarfs, 1938
Magnetic audio tapes: acetate base (left) and polyester base (right)
