src: The author of some 20 books, Heilbroner was best known for The Worldly Philosophers: The Lives, Times and Ideas of the Great Economic Thinkers (1953), a survey of the lives and contributions of famous economists, notably Adam Smith, Karl Marx, and John Maynard Keynes.
tgt: Autor de mais de vinte livros, Heilbroner era mais conhecido por The Worldly Philosophers (1953), uma pesquisa sobre as vidas e contribuições de economistas famosos, notavelmente Adam Smith, Karl Marx, e John Maynard Keynes.