Christiaan Karel Appel (pronounced [ˈkrɪstijaːn ˈkaːrəl ˈɑpəl] ; 25 April 1921 – 3 May 2006) was a Dutch painter, sculptor, and poet. He started painting at the age of fourteen and studied at the Rijksakademie in Amsterdam in the 1940s. He was one of the founders of the avant-garde movement CoBrA in 1948. He was also an avid sculptor and has had works featured in MoMA and other museums worldwide.
Emmy Destinn (Ema Destinnová ([ˈɛma ˈdɛstɪnovaː] ); 26 February 1878 – 28 January 1930) was a Czech operatic dramatic soprano. She had a career both in Europe and at the New York Metropolitan Opera. She was one of the greatest opera singers of the 19th and 20th centuries.
André-Gustave Citroën (French: [ɑ̃dʁe ɡystav sitʁɔɛn]; 5 February 1878 – 3 July 1935) was a French industrialist and the founder of French automaker Citroën. He is also remembered for his application of double helical gears.
Louis Vuitton (French: [lwi vɥitɔ̃] ; 4 August 1821 – 27 February 1892) was a French fashion designer and businessman. He was the founder of the Louis Vuitton brand of leather goods now owned by LVMH. Prior to this, he had been appointed as trunk-maker to Empress Eugénie de Montijo, wife of Napoleon III.