Language immersion, also known as Foreign Languages in Elementary Schools (FLES) program
Louis Fles, Dutch businessman and activist (father of Barthold Fles and George Fles)
Barthold Fles, Dutch-American literary agent (son of Louis Fles)
George Fles, Dutch victim of the Great Purge (son of Louis Fles, father of Michael John Fles)
Michael John Fles, American poet and musician (son of George Fles)