He also chewed tobacco as a protection against infection, and worried that wig-makers might be using hair from the corpses as a raw material. Furthermore, it was Pepys who suggested that the Navy Office should evacuate to Greenwich, although he did offer to remain in town himself. He later took great pride in his stoicism. Meanwhile, Elisabeth Pepys was sent to Woolwich. She did not return to Seething Lane until January 1666, and was shocked by the sight of St Olave's churchyard, where 300 people had been buried.