Al Lautenslager is an accomplished six-time published, best-selling author, entrepreneur, book collector, businessperson, professional speaker and more who is passionate about Renaissance history. He has traveled to Italy to see Leonardo da Vinci in full view, in his own country, and has patterned many parts of his own life and teachings after da Vinci. He has lived a life like da Vinci as an engineer and writer, with multi-disciplined interests and skills. His pursuit of art history comes from the research for this book and the many da Vinci books in his collection.