what was it about?
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what does patterns in nature refer to? They are visible regularities of form found in the natural world. what patterns does it include? It includes symmetries, trees, spirals, meanders, waves, foams, tessellations, cracks and stripes. what is it caused by? Causes can be in the mathematics that governs what patterns can physically form, and among living things in the effects of natural selection, that govern how patterns evolve. were these indicated in any books? UNANSWERABLE can you name anyone from history who has done such researches on this? Leonardo da Vinci where was he born? In the Tuscan hill town of Vinci was he into painting? Yes his main achievement is as a painter can you name some of his works? "Baptism of Christ" when was it painted? UNANSWERABLE
UNANSWERABLE The young angel holding Jesus' robe in a manner that was so far superior to his master's. UNANSWERABLE
Leonardo da Vinci
Verrocchio's workshop
the young angel holding Jesus' robe in a manner that was so far superior to his master's 
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Leonardo da Vinci [SEP] Early works
Leonardo first gained attention for his work on the "Baptism of Christ", painted in conjunction with Verrocchio. Two other paintings appear to date from his time at Verrocchio's workshop, both of which are Annunciations. One is small, long and high. It is a "predella" to go at the base of a larger composition, a painting by Lorenzo di Credi from which it has become separated. The other is a much larger work, long. In both Annunciations, Leonardo used a formal arrangement, like two well-known pictures by Fra Angelico of the same subject, of the Virgin Mary sitting or kneeling to the right of the picture, approached from the left by an angel in profile, with a rich flowing garment, raised wings and bearing a lily.