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.
Wallace Rupert Turnbull Wallace Rupert Turnbull (October 16, 1870 - November 24, 1954) was a New Brunswick engineer and inventor, born on October 16, 1870 in Saint John, New Brunswick. The Saint John Airport was briefly named after him. He died November 24, 1954. He was inducted in the Canada's Aviation Hall of Fame in 1977.