A pronoun is a word that takes the place of a noun. Examples: he, she, it, they, someone, who. Pronouns can do all of the things that nouns can do. They can be subjects, direct objects, indirect objects, object of the preposition, and more. Heck, the word pronoun even has the word noun in it! Let's look at a few examples. Erik Weihenmayer is a blind mountain climber.
On October 1, 1945, Project RAND was set up under special contract to the Douglas Aircraft Company and began operations in December 1945, expending a total of $640 in its first month of operation.
Coach was founded in a loft workshop on 34th Street in New York City in 1941. There were originally six leather workers who made billfolds and wallets by hand. Four years later, in 1945, Miles and Lillian Cahn, who were experienced in the leather goods business, joined the company.