Charles Benedict Calvert telegraph, Samuel Morse and Alfred Vail. On April 9, 1844, Morse and Vail successfully tested their device by transmitting a message from the nation's capital to the Calvert home, Riversdale. This test came 45 days before the more celebrated event when Morse sent the message "What hath God wrought?" from Washington to Baltimore, along telegraph lines that ran above the Baltimore and Ohio Railroad line near Riversdale. Calvert became president of the Prince George's County, Maryland Agricultural Society and the Maryland State Agricultural Society, and served as vice president of the United States Pomological Society. He founded the first agricultural
23 Envelope with new partner Chris Bigg, and various design associates that would come to include Paul McMenamin, Timothy O'Donnell, Martin Andersen and others. Meanwhile, Grierson focused more on the moving image, directing music videos and TV commercials, both in London and the USA. A quote from a 2000 article on Grierson by Rick Poynor explains some of the early history of Oliver and Grierson: The work of 23 Envelope has been well-published in books and design magazines especially under Vaughan Oliver's name. 23 Envelope 23 Envelope was the name given to the graphic design partnership of graphic designer Vaughan Oliver and