Final answer:
Alexander Graham Bell invented the telephone and Thomas Edison contributed to the electrical industry. Andrew Carnegie wrote the Gospel of Wealth, emphasizing the responsibility of the wealthy to benefit society.
Step-by-step explanation:
Alexander Graham Bell contributed to society by inventing the telephone in 1875, which revolutionized communication and enabled people to communicate faster than ever before. Thomas Edison contributed to society through his inventions in the electrical industry, including the light bulb. He held 1,093 patents and his work transformed US factories.
Andrew Carnegie wrote the Gospel of Wealth, which emphasized the responsibility of the wealthy to use their wealth for the benefit of society. Carnegie believed that the elite should help enrich society by donating to public libraries, supporting scientific research, and leaving a portion of their fortune behind.