Question

who invented the telephone
philo t. farnsworth
guglielmo marconi
alexander graham bell
lee deforest

Explanation:

Alexander Graham Bell is widely credited with inventing the telephone in 1876. Philo T. Farnsworth is known for inventing the television. Guglielmo Marconi is famous for his work on radio - communication. Lee DeForest is known for inventing the Audion vacuum - tube.

Answer:

Alexander Graham Bell