Former CIA Director John BrennanJohn Owen BrennanThe Hill's Morning Report - White House, Congress: Urgency of now around budget Dems ask former CIA chief John Brennan for Iran briefing: report Brennan hits Trump for calling Mueller probe a 'coup': These are 'sociopathic ramblings' MORE lauded former President George H.W. Bush after his death, honoring his “public service, integrity, and determination.”

Political figures of all stripes have memorialized Bush, 94, after the 41st president's death was announced late Friday.

“George H.W. Bush led a life of exemplary public service, integrity, and determination—in WWII, in Congress, as UN Ambassador, Envoy to China, CIA Director, and as Vice President & President,” Brennan wrote in his remembrance.

“A life very well lived; an American who made us all proud. May he rest in eternal peace,” he added.

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Brennan has served presidents from both parties, working in every administration since Bill ClintonWilliam (Bill) Jefferson ClintonBarr says he's working to protect presidency, not Trump Lightfoot takes office as Chicago's first black woman mayor De Blasio pitches himself as tough New Yorker who can take on 'Don the con' MORE’s, with the exception of President TrumpDonald John TrumpThe Hill's Morning Report - White House, Congress: Urgency of now around budget GOP presses Trump to make a deal on spending Democrats wary of handing Trump a win on infrastructure MORE.

He served in the CIA and directed the National Counterterrorism Center for Bush’s son, former President George W. Bush. He was later homeland security adviser and CIA director under former President Obama.

George H.W. Bush, like Brennan, ran the CIA, serving under President Gerald Ford when the position’s title was director of central intelligence.

Brennan, who describes himself on Twitter as a “nonpartisan American who is very concerned about our collective future,” has emerged as one of Trump’s fiercest critics.

Trump was among the political figures honoring Bush early Saturday morning after his death, saying he “inspired generations of his fellow Americans to public service.”