Combine the key information in the sentences using a defining relative clause. 1. Galileo was the astronomer. He invented the word telescope ( but not the instrument!). 2. Alexander Graham Bell is the Scot. His invention connected the world. 3. The USA was the place. Credit cards were first used here. 4. Space Invaders was the computer game. It first made gaming really popular. 5. 1978 was the year. GPS made navigation easier.