Jermyn Street in St James's, London, has been the Mecca of fine British shirtmaking for more than a century. Patrons have included Cary Grant, Frank Sinatra, Roger Moore, the Beatles, Warren Beatty, Pierce Brosnan, the Prince of Wales, Sir Michael Caine and Ronald Reagan. Between them, these shirtmaking artisans have styled that most debonair of onscreen heroes, James Bond. Indeed, the Jermyn Stre...