Final answer:
Samuel Johnson was a lexicographer, Samuel Pepys was a diarist, Adam Smith was a philosopher and economist, and Oliver Cromwell was a political leader. These are the correct matches for their respective occupations.
Step-by-step explanation:
To match the famous men with their occupations, we need to look at their historical contributions:
- Samuel Johnson is widely known as a lexicographer. He authored 'A Dictionary of the English Language', which was a monumental work in the history of the English language.
- Samuel Pepys was a government administrator and Member of Parliament, but he is most famous for his detailed private diary that provided first-hand accounts of events like the Great Fire of London.
- Adam Smith is best recognized as an economist and philosopher, primarily for his work 'The Wealth of Nations', which laid the foundations for modern economic theory.
- Oliver Cromwell was a military and political leader who played a key role in the English Civil War and subsequently ruled the Commonwealth of England.
Therefore, the correct matches for the given famous men and their occupations are:
- Samuel Johnson - lexicographer
- Samuel Pepys - diarist
- Adam Smith - philosopher
- Oliver Cromwell - political leader