When was the Scottish-born scientist died after whose invention "Kōbushō" had started an effort to make telephone receivers?
Alexander Graham Bell Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone and founding the American Telephone and Telegraph Company (AT&T) in 1885.
Ikutaro Kakehashi Ikutaro Kakehashi (梯 郁太郎 , Kakehashi Ikutarō , 7 February 1930 – 1 April 2017) , also known by the nickname Taro, was a Japanese engineer, inventor and entrepreneur. A pioneer in electronic musical instruments and a Technical Grammy Award winner, he was founder of Japanese companies Ace Tone, Roland Corporation, Boss Corporation and ATV Corporation. He was involved in developing such as the TR-808 and TR-909, the MIDI standard, TB-303 bass synth, Ace Tone Rhythm Ace drum machines, , Microcomposer sequencers, and Boss guitar amplifiers and effects pedals. His electronic equipment were influential, shaping popular music genres such as electronic, dance, hip hop, R&B, rock and pop music.