Rembrandt's contemplative subject

• One of the greatest of the ancient Athenian philosophers
• Philosopher — treats oil (anag)
• Pioneer in syllogistic logic
• Alexander the Great's tutor
• Jacqueline's bridegroom in 1968
• "Rhetoric" author
• The Big ___ (Shaquille O'Neal nickname)
• Author of 13 books on metaphysics
• Philosopher's noble title, that's not it!

Wikipedia Word definitions in Wikipedia
Aristotle is an English-language children's book written by Dick King-Smith and illustrated by Bob Graham , published in 2003. The story concerns Aristotle the kitten, who depends on his nine lives and the magical powers of his owner (a friendly witch) ...