In his statement, Putin addressed the 43rd US President George W Bush. "I commend your parents for encouraging their children, including you my dear friend, to devote yourselves to the service of others".
Kuwait's ruling emir, Sheikh Sabah Al Ahmad Al Sabahnoted Bush's efforts to "create a new worldwide order based on justice and equality among nations".
President Donald Trump, who was in Argentina attending a G20 summit of world leaders, hailed Bush's "sound judgment, common sense, and unflappable leadership".
Bush was a Navy pilot shot out of the sky, a genuine hero of World War II, and yet his seemingly obeisant personality led him to once be mocked in a prominent comic strip for "placing his manhood in a blind trust".
"He was truly a gentleman of American politics and one of the world's most principled defenders of freedom and democracy", Scheer said in a statement.
John Major, British Prime Minister from 1990-1997 said Bush "saw America's obligation to the world and honored it".
After G20 Photo, Saudi Prince Left Stage Quickly, Didn't Greet Leaders
With such a keen focus on the US President's trade policies, Mr Trump started the summit with what he certainly considers a win. However, Russia has suggested United States domestic politics may have been the real reason behind the cancellation.
Former Soviet premier Mikhail Gorbachev expressed his "deep condolences" Saturday Dec. 1, 2018, to the family of former U.S President George Bush and all Americans following his death, aged 94.
"Many of my memories are linked to him".
"Few Americans have been - or will ever be - able to match President Bush's record of service to the United States and the joy he took every day from it", said Bill and Hillary Clinton, the former president and secretary of state, respectively. "Our sympathy to his family and beloved ones".
"You can not be president of the United States if you don't have faith".
"Rosalynn and I are deeply saddened by the death of former President George H.W. Bush". "Served his country in so many ways". Bush served as a congressman from 1967 to 1971, becoming the first Republican to represent Houston in the House of Representatives. At a time when the Cold War was ending and the influence of Soviet-style communism was withering, Bush's military and diplomatic actions firmly cast the United States as the world's leading superpower.
Former prime minister David Cameron tweeted: "So sad to hear that George HW Bush has passed away". A decade later, the presidency of Bush's son, George W Bush, would be jolted by al Qaeda's deadly hijacking attacks on the United States on September 11, 2001. There's a mock situation room where you can make critical decisions, as President Bush did before the Gulf War in the early 90's.