The first dissertation printed in Sweden illustrated with engravings is De cerebro humano printed in 1646. It is a small dissertation in quarto format of only sixteen pages illustrated with four engravings depicting the human brain. The first plate is signed in Latin `Magnus N. Helsing fecit´ giving us a clue to the artist´s identity, Magnus Nicolaus Celsius. He was a skilled engraver who later would illustrate three more dissertations and one treatise. Since a full discussion of all his engravings in these works would require a rather long...
