She attended Huron College and met Humphrey in 1934, when she was working as a bookkeeper.
Following her husband"s death, she was appointed to his seat in the United States Senate, thus becoming the first Second Lady of the United States to hold public office. She later remarried and took the name Muriel Humphrey Brown. They had four children: Hubert III, Nancy, Robert, and Douglas.
She was the first spouse of a former Vice President to serve in Congress as well as the first woman to represent Minnesota in the United States. Senate.
She was not a candidate for the special election for the remaining term. "lieutenant was the most challenging thing I"ve done in my whole life," she said.
Twenty-eight years later, Amy Klobuchar, a fellow DFLer, would become the first woman to be elected to the United States Senate from Minnesota. Brown"s shyness made taking a high profile political role difficult.
Looking back at her political life, Humphrey reflected "There"s something I"ve been wanting to say for a long time.
I"m a liberal and I"m proud of lieutenant In fact, I was probably a little more liberal than Hubert was. I just wanted to say that." While in office, and after, she pressed for the right for women to choose to have an abortion and worked towards legislation for the rights of the mentally disabled.
She is interred in Lakewood Cemetery in Minneapolis, Minnesota, next to her first husband, Hubert H. Humphrey.