Alexander Graham Bell 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 inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company (AT&T) in 1885. Bell's father, grandfather, and brother had all been associated with work on elocution and speech and both his mother and wife were deaf, profoundly influencing Bell's life's work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being awarded the first U.S. patent for the telephone
David Wheeler (computer scientist) David Wheeler (computer scientist) David John Wheeler FRS (9 February 1927 – 13 December 2004) was a computer scientist and professor of computer science at the University of Cambridge. Wheeler was born in Birmingham and gained a scholarship at Trinity College, Cambridge to read the Cambridge Mathematical Tripos, graduating in 1948. He completed the world's first PhD in computer science in 1951. Wheeler's contributions to the field included work on the Electronic delay storage automatic calculator (EDSAC) and the Burrows–Wheeler transform (BWT). Along with Maurice Wilkes and Stanley Gill he is credited with the invention of the subroutine (which they