Albert I, Prince of Monaco (born 1848)

Albert I was Prince of Monaco from 10 September 1889 until his death in 1922. He devoted much of his life to oceanography, exploration and science. Alongside his expeditions, Albert I's reign oversaw major reforms on political, social, and economic levels, with the Monégasque Revolution leading to the end of absolute monarchy and his promulgation of a constitution in 1911.