Derivative works
The 1521 edition of De Archietectura was created by who?
Vitruvian Man
The "Vitruvian Man" has inspired a number of derivative works:  Cesare Cesariano (1521) who edited the important 1521 edition of "De Architectura" of Vitruvius (Leonardo da Vinci is supposed to have provided the illustrations for this edition).  Albrecht Dürer (1528) in his book "Vier Bücher von menschlicher Proportion" (four books on human proportions)  Pietro di Giacomo Cataneo (1554)  Heinrich Lautensack (1618)  William Blake (1795) "Glad Day", now known as "Albion rose". This representation is without the circle and square.  The Italian 1 euro coin