Donald Howard Heathfield and Tracey Lee Ann Foley lived on Trowbridge Street in Cambridge, Massachusetts.

BBC: Suburban lives of agent suspects

"He's kind of like Howard Hughes meets Donald Trump, " observes New York art advisor Neal Meltzer.

FORBES: Smart Collecting

Sir Donald was Mr Howard's perfect Australian, anti-republican, admirer of royalty and politically a conservative.

ECONOMIST: Donald Bradman