I would have said Quakers. Because of persecution after the English civil war (Quaker Act of 1662, mostly), they couldn't hold public office. So they went into

I would have said Quakers. Because of persecution after the English civil war (Quaker Act of 1662, mostly), they couldn't hold public office. So they went into commerce & industry. "Charles II, 1662: An Act for preventing the Mischeifs and Dangers that may arise by certaine Persons called Quakers and others refusing to take lawfull Oaths." https://www.british-history.ac.uk/statutes-realm/vol5/pp350-351 https://www.british-history.ac.uk/statutes-realm/vol5/pp350-...