who is credited with suggesting the word hello be used when answering the phone
Hello The use of hello as a telephone greeting has been credited to Thomas Edison; according to one source, he expressed his surprise with a misheard Hullo.[11] Alexander Graham Bell initially used Ahoy (as used on ships) as a telephone greeting.[12][13] However, in 1877, Edison wrote to T.B.A. David, the president of the Central District and Printing Telegraph Company of Pittsburgh: