Among the members of Sydney’s Jewish stockbrokers who built investment careers out of the economic boom that began in the 1980s, one of the most successful and little-known was David Constable.

Constable, who died aged 90 early this year, may have been an investing savant. He also represented a philosophical approach to business that doesn’t get talked about much in the era of conspicuous consumption: it isn’t worth risking your reputation, or relationships, for money.