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LUCA PACIOLI (died ca.1514)
Venice: A. Paganius Paganinus, 1509
Luca Pacioli, a Franciscan monk, is mentioned several times in the notebooks of Leonardo da Vinci. His Summa di Arithmetica, Geometria, Proportioni e ProportionalitÓ appeared in 1494.
Continuing his work on proportion, he published this work in 1509. In an appendix to the book, each of the capital roman letters is broken down into its component parts, showing its underlying proportions.
American Type Founders Company Library