Philadelphia’s Early Maritime History In this episode, researcher and journalist Michael Schreiber describes the period when Philadelphia’s port was the largest in North America. He also discusses the situation of Black seamen, as well as women, who went to sea. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)