Born on April 25

Roman Emperor from 161 to 180 and Stoic philosopher. Author of Meditations, personal reflections on wisdom and virtue. Represents the ideal of the philosopher-emperor in ancient Rome.

German mathematician (1849–1925), Felix Klein is celebrated for his Erlangen Programme, which unifies geometries through group theory. He contributed to topology, analysis, and mathematics education.

Italian physicist and inventor (1874–1937), Marconi was the pioneer of wireless radio. He achieved the first transatlantic transmission in 1901 and received the Nobel Prize in Physics in 1909.

Julius Spier (1887-1942) was a German Jewish psychologist and chirologist. A student of Carl Gustav Jung, he developed “psychochirology,” a reading of the hands with a psychological aim. He is best known today as the mentor and lover of Etty Hillesum.

Ella Fitzgerald (1917–1996) is considered one of the greatest jazz singers of all time. Nicknamed the “First Lady of Song,” she revolutionized jazz singing through her mastery of scat and the exceptional range of her voice.

Cy Twombly (1928-2011) was an American painter, draftsman, and sculptor. A major figure of post-war art, he developed a singular pictorial language blending scribbles, writing, and graffiti, on the borderline of abstract expressionism.

Al Pacino is an American actor born in 1940, a major figure of the New Hollywood movement. Brought to fame by his role as Michael Corleone in 'The Godfather' (1972), he established himself as one of the greatest performers in American cinema, trained at the Actors Studio.

Saudi women's rights activist who rose to international prominence in 2011 after posting a video of herself driving in Saudi Arabia, defying the ban imposed on women. Her arrest sparked a global movement for women's right to drive.