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The Santa Maria degli Angeli is an example of Fillipo's experiments. He started this project in 1434 and was left unfinished in 1437. For about 500 years the Santa Maria degli Angeli was left incomplete until the 1930s and finished in a controverstial fashion.

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Fillipo was considered to discover this technique around 1410 - 1415. This technique was lost in the middle ages after Greek and Roman empires crumbled. Above is another example of linear perspective by Masaccio. The Holy Trinity. ("Linear perspective.")

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Linear perspective is when lines lead to a vanishing point. The vanishing point is the illusion of depth on a flat surface. An example of this is Donatello's relief St. George Killing the Dragon shown above. ("Linear perspective.")

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Donatello was friends with Brunelleschi and studied ancient Greek buildings with him. ("Filippo Brunelleschi.")

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The San Lorenzo Cathedral is considered an early keystone of the Renaissance. ("Filippo Brunelleschi.")

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Fillipo competed with five other sculptors in 1401 to redesign the doors of the babstry. ("Filippo Brunelleschi.")

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Fillipo Brunelleschi was considered one of the first architects of the renaissance. Born in Florence Italy 1377, and died April 14, 1446. Fillipo was a man who filled his life with many projects. unfortunately his most projects were not completed before he died. Because Fillipo died before most of his projects were completed some alterations were made to his original designs. ("Filippo Brunelleschi.") (Auffenberg)

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The Santa Maria del Fiore dome was left incomplete for many, many years left as a problem for architects to solve on their own. When Fillipo was asked to complete the dome he took it as a challenge and set out for sucess. And sucess Flillipo would achieve. Fillipo started his "impossible task" in 1420 and completed the structure in 1436. Most modern historians consider this to be the high of his carrer. ("Filippo Brunelleschi.")