6 The father of Accouting The father of Accouting. Unsung Hero of the Renaissance Goethe "one of the most beautiful inventions of the human spirit."
7 A Catalyst that launched the past into the future A Catalyst that launched the past into the future. A person should not go to sleep at night until the debits equalled the credits!
8 His ledger included assets (including receivables and inventories), liabilities, capital, income, and expense accounts.
9 year-end closing entries and proposed that a trial balance be used to prove a balanced ledger.
10 Algebra Summa de Aritthmetica, Geometria, Proportioni ed Proporzionalita Dedivina Proportione
11 Piero della Francesca Library of Frederico (4,000) Count of Urbino Leon Baptist Alberti, Antonio de Reimpose, First books Algebra (1470) Pope Paul II
12 University of Perugia 1494 Second Book Duke Lodovico Maria Sforza in Milan, Leonado Davinci Third Book Pass Away
13 Summa de arithmetica, geometria, proportioni et proportionalita The Collected Knowledge of Arithmetic, Geometry, Proportion and Proportionality
14 Particularis de Computis et Scripturis a treatise on accounting Particularis de Computis et Scripturis a treatise on accounting. De Scripturis describe double-entry accounting, also known as the Venetian method.
15 This new system was state-of- the-art, and revolutionized economy and business.