Darwin also agreed to write several books including the "Zoology of the Voyage of the H.M.S.Beagle."
VOA: special.2009.02.25
While the message began its voyage to the cosmos--a 24, 000 year trip to M-13, a cluster of stars in the constellation Hercules, to be exact--visiting dignitaries listened over a loudspeaker while each bit played as a short, high-pitched tone.