590
Algebraic rules were given geometric proofs by mathematicians such as Pacioli , Cardan , Tartaglia and Ferrari .
 Pacioli, Cardan, Tartaglia, Ferrari
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pacioli, Cardan, Tartaglia, Ferrari