Heart Motu Cordis" (1628) by the English physician William Harvey. Harvey's book completely describes the systemic circulation and the mechanical force of the heart, leading to an overhaul of the Galenic doctrines. Otto Frank (1865–1944) was a German physiologist; among his many published works are detailed studies of this important heart relationship. Ernest Starling (1866–1927) was an important English physiologist who also studied the heart. Although they worked largely independently, their combined efforts and similar conclusions have been recognized in the name "Frank–Starling mechanism". Although Purkinje fibers and the bundle of His were discovered as early as the 19th century, their
The Voyagers: Being Legends and Romances of Atlantic Discovery The Voyagers: Being Legends and Romances of Atlantic Discovery The Voyagers: Being Legends and Romances of Atlantic Discovery is a children's book by Padraic Colum. It comprises a mixture of legendary and historical stories about Atlantic exploration, from the story of Atlantis to the naming of America. The book, illustrated by Wilfred Jones, was first published in 1925 and was a Newbery Honor recipient in 1926. The voyagers are Maelduin, Saint Brendan, the children of Eric the Red, Christopher Columbus, Ponce de Leon, colonists of Virginia, and Amerigo Vespucci. Their stories are told within a framing sequence of Henry the