Nancy Kassebaum Baker, a pioneering Kansas Republican who became the first woman elected to the U.S. Senate without a prior familial connection to elected office, has died at the age of 94. Her son, Bill Kassebaum, confirmed her death, stating she passed away Friday from natural causes.

Kassebaum Baker served three terms in the Senate, from 1978 until her retirement in 1997. She was known for her centrist politics and willingness to cross party lines, a stance that endeared her to voters across the political spectrum in Kansas. Her approach often contrasted with the increasingly conservative direction of the Republican Party later in her career.

She was the daughter of Gov. Alf Landon, the 1936 Republican nominee for president, but forged her own political path. She earned a political science degree from the University of Kansas and a master's degree in diplomatic history from the University of Michigan. Before entering politics, she worked as a radio-station executive and served on a local school board.

Her election to the Senate in 1978 garnered national attention. She campaigned as a moderate and her early votes, such as her opposition to a balanced budget amendment, signaled her independent approach. Despite her father's prominent political legacy, she established her own identity in Washington.

During her tenure, Kassebaum Baker chaired the Senate Committee on Labor and Human Resources. She was among a shrinking group of moderate-to-liberal Republicans and notably supported a ban on assault weapons championed by President Bill Clinton. Her ability to connect with voters, without adopting the typical trappings of power, contributed to her electoral success, winning re-election with significant margins in 1984 and 1990.

In 1996, Kassebaum Baker married former Tennessee Republican Sen. Howard Baker, who had also served three terms in the Senate before becoming White House Chief of Staff. It marked the first time two former senators, a man and a woman, had married.

Even after leaving the Senate, Kassebaum Baker remained engaged in public service. She served on bipartisan commissions focused on campaign finance reform and participated in international commissions. She and her husband also spent four years in Japan when he was appointed ambassador by President George W. Bush.

Later in life, Kassebaum Baker continued to express her political views, at times diverging from the Republican Party. She endorsed Democratic candidates for statewide offices in Kansas and publicly stated in 2021 that then-President Donald Trump should be impeached following the attack on the U.S. Capitol.

Kassebaum Baker is survived by her son, Bill Kassebaum, and other family members. Her public service career was marked by a commitment to her home state of Kansas and a pragmatic approach to governance.