Facts: - profession: politician - successor: edward thornton - predecessor: alexander rae - office: speaker of the legislative assembly of prince edward island - term end: 1854 - term start: 1854 - name: john jardine - citizenship: canadian Based on these bullet points, write a short biography describing the life of john jardine -lrb- prince edward island politician -rrb- .
john jardine was the speaker of 19th legislative assembly of prince edward island in 1854 .