Their story is legendary in Miami. Don and Mera Rubell began collecting art in 1967, when they lived in New York City. Their modest budget came from Mera’s salary as a Head Start teacher, and their acquisitions strategy consisted largely of purchasing work that excited their passions. The untimely passing of Don’s brother, Steve Rubell, in 1989, left them with a considerable inheritance with which to expand their collecting, and in 1996, they opened the...