William Harvey April 1578 – 3 June was an English physician, who described completely and in detail the systemic circulation and properties of blood being pumped to the body by the heart, though earlier writers had provided precursors of the theory.
CDV of William Harvey Crago in his Civil War uniform. Private and bugler in the Ringgold Battalion and Pennsylvania Cavalry. Not sure why he has infantry hat brass. - Visit to grab an amazing super hero shirt now on sale!