One in nine people will suffer depression at some point in their lives. Doctors help these people fight depression the best they can. Many times doctors feel it is necessary for a person to take medication to help fight their depression. More than 40 million people were being treated with Prozac 4 years after it was introduced. Thus, Prozac became the most prescribed and popular method of treating depression.

After immigrating to the United States in 1951, Klaus K. Schmiegel earned a degree in chemistry and a Ph.D. in organic chemistry. He joined Eli Lilly, one of the largest pharmaceutical companies in America, in 1968. While at Eli Lilly, he and Bryan Molloy co-invented Prozac under the supervision of Ray Fuller. Ray Fuller received most of the credit for Prozac. Prozac was originally introduced in Belgium in 1986, where it received approval as an anti-depressant medication. Eventually, it was introduced to the...