Johnson was apparently self trained in his art. During a thirty year period of activity from 1795 to 1825 he produced many paintings with Baltimore related subject matter, including commissioned portraits of local merchants, ship captains and shopkeepers.
Johnson was apparently self. This was including commissioned portraits of local merchants. This was including commissioned portraits of ship captains. This was including commissioned portraits of shopkeepers. This self was trained in his art. He produced many paintings self with Baltimore. This was during a thirty year period of activity from 1795 to 1825. This Baltimore was related subject matter.