More Notable Birthdays on April 26: 1961 - Joan Chen, born in Shanghai, China, actress, Heaven and Earth 1940 - Giorgio Moroder, born in Ortisei, Italy, composer, Let it Ride, Cat People, Top Gun 1889 - Ludwig Wittgenstein, born in Austria, philosopher, Tractatus 1822 - Frederick Law Olmsted, architect/writer, designed Central Park