De divina proportione [SEP] illustrator
Divina proportione
Divina proportione ("Divine proportion"), later also called De divina proportione ("The divine proportion") is a book on mathematics written by Luca Pacioli and illustrated by Leonardo da Vinci, composed around 1498 in Milan and first printed in 1509. Its subject was mathematical proportions (the title refers to the golden ratio) and their applications to geometry, visual art through perspective, and architecture. The clarity of the written material and Leonardo's excellent diagrams helped the book to achieve an impact beyond mathematical
met a traveling monk and academic, Luca Pacioli. Under him, Leonardo studied mathematics. Pacioli, who first codified and recorded the double entry system of bookkeeping, had already published a major treatise on mathematical knowledge, collaborated with Leonardo in the production of a book called ""De divina proportione"" about mathematical and artistic proportion. Leonardo prepared a series of drawings of regular solids in a skeletal form to be engraved as plates. ""De divina proportione"" was published in 1509.
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