Question: Are Alex Manoogian and Sako Shahinian both illustrators?
Sentence (from "Alex Manoogian"): In 1954 he patented and brought to market the first successful washerless ball valve faucet, the Delta faucet, named for the faucet cam shaped like the fourth letter of the Greek alphabet He and his wife Marie donated the Manoogian Mansion to the city of Detroit, which uses it as the official residence of the Mayor of Detroit, MI.
Relevant evidence: No