The foremost collector of antiquities in his day.
Crozat was the foremost collector of his day.
A century viewed through its gewgaws, by the world's foremost collector of the things.
Destler is "one of the world's foremost collectors of antique banjos;" the number of instruments in his collection is purportedly more than 160.
He has been one of the foremost collectors of Wright artifacts, including an oak dining room table and chairs for which he paid $1.6 million.
Moussaieff is widely regarded as one of the foremost private collectors of antiquities of the Bible and ancient Near East.
John Riccardelli, 29, was not even born in 1939, but this has not precluded him from becoming a foremost collector of 1939 fair memorabilia.
Given that the sitter was the wife of one of the foremost collectors of the day, it could almost be ranked as an imprudence.
Mac Yasuda is one of the world's foremost vintage-guitar collectors.
Malone is considered the world's foremost collector of Forbidden Planet memorabilia.