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Although still attached in style and spirit to the Middle Ages , Guido da Vigevano can be regarded as a distant forerunner of later Renaissance artist-engineers like Taccola , Francesco di Giorgio and Leonardo da Vinci .
 Guido da Vigevano, Taccola, Francesco di Giorgio, Leonardo da Vinci
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guido da Vigevano, Taccola, Francesco di Giorgio, Leonardo da Vinci