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.
The RAND HI Experiment was conducted in the mid 1970s. Why was the RAND HI Experiment a big deal? Before the HI experiment, people had looked at the purchase of medical goods from groups that had great HI to those with little or no HI.