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—— ON THIS DAY ——
APRIL 15, 1452
Anchiano, Republic of Florence
573 years ago

Leonardo da Vinci — presumed self-portrait, red chalk on paper, c. 1510-1515 — the most famous depiction of the artist who is now considered the quintessential Renaissance man.
Leonardo da Vinci was born on April 15, 1452, in a farmhouse in Anchiano, near the town of Vinci in what is now Tuscany, Italy. He was the illegitimate son of a Florentine notary and a peasant woman. He received no formal education beyond basic literacy and arithmetic, was excluded from most professional guilds because of his birth status, and was largely self-taught in everything that would make him extraordinary.
He painted the Mona Lisa and The Last Supper. He designed flying machines, armoured vehicles, solar power concentrators, and a double-hulled ship. He dissected over thirty human corpses to understand anatomy and produced drawings of the human body that were not matched in accuracy for three centuries. He studied fluid dynamics, optics, geology, botany, cartography, and music theory. He had no university degree. He was a genius of practice rather than of theory — and he left most of his projects unfinished.
—— MARQUEE EVENT ——

The Vitruvian Man, c. 1490 — Leonardo's study of ideal human proportions, one of the most reproduced images in the history of art and science.
The scope of Leonardo's notebooks — over 7,200 pages of which survive, out of an estimated 13,000 — is almost impossible to comprehend. They contain not only designs for machines that would not be built for centuries but also scientific observations about water flow, cloud formation, and the aging of the body that were extraordinarily accurate. He wrote in mirror script, right to left, left-handed, possibly to prevent others from reading his notes easily.
His paintings are fewer than twenty in number, and several are in disputed or damaged condition. He was a notoriously slow and perfectionist worker — he took four years to paint The Last Supper, and at least four years on the Mona Lisa, and perhaps never considered it finished. His patrons were frequently frustrated. But the paintings he did complete changed the history of Western art: the sfumato technique, the psychological complexity of his subjects, the integration of landscape and figure were all without precedent.
Leonardo spent the last three years of his life in France, at the invitation of King Francis I, who gave him a manor house near the royal château at Amboise and a generous pension in exchange for his conversation and company. Leonardo brought three paintings with him, including the Mona Lisa. He died on May 2, 1519, at the age of 67. According to legend, Francis I held his head as he died. The Mona Lisa has been in France ever since.
—— WHY THIS MATTERS ——
Leonardo embodied a pre-specialization ideal of human knowledge — the belief that art, science, engineering, and philosophy were parts of a single understanding of nature. That ideal was already becoming rare in his own lifetime, and has since become impossible. He is its greatest embodiment.
His scientific notebooks were largely forgotten for centuries after his death. Had they been published and disseminated, they might have accelerated the development of modern science by decades. The fact that they were not — lost in various private collections until the 19th and 20th centuries — is one of history's great intellectual losses.
The gap between what Leonardo imagined and what his era could build illustrates something fundamental about innovation: having the idea is not the same as having the infrastructure. His designs for helicopters and tanks required materials and manufacturing capabilities that wouldn't exist for 400 years. The future was in his notebooks; the present couldn't catch up.
—— THE TAKEAWAY ——
On April 15, 1452, one of the most extraordinary minds in human history was born in a farmhouse to a man who never acknowledged him. He grew up to see further into the nature of things — anatomy, water, air, light, human emotion — than almost anyone who came before him. Most of what he saw, he never told anyone. It waited in his notebooks for centuries. We are still working through what he left.
—— QUOTE OF THE DAY ——
"Learning never exhausts the mind."
— Leonardo da Vinci, Notebooks
—— OUR QUIZ OF THE DAY ——
How much do you know about Leonardo da Vinci's life, his paintings, his scientific notebooks, and the extraordinary range of his curiosity?

