TALLAHASSEE, Fla. (AP) — Former U.S. Sen. and two-term Florida Gov. Bob Graham, who gained national prominence as chairman of the Senate Intelligence Committee in the aftermath of the 2001 terrorist attacks and as an early critic of the Iraq war, has died. He was 87.

Graham’s family announced the death Tuesday in a statement posted on X by his daughter Gwen Graham.

Graham, who served three terms in the Senate, made an unsuccessful bid for the 2004 Democratic presidential nomination, emphasizing his opposition to the Iraq invasion.

But his bid was delayed by heart surgery in January 2003 and he was never able to gain enough traction with voters to catch up, bowing out that October. He didn’t seek re-election in 2004 and was replaced by Republican Mel Martinez.

Graham was a man of many quirks. He perfected the “workdays” political gimmick of spending a day doing various jobs from horse stall mucker to FBI agent and kept a meticulous diary, noting almost everyone he spoke with, everything he ate, the TV shows he watched and even his golf scores.