Clark was both literate and wrote his family and his former master .
During the War of 1812 information regarding Clark 's successful escape to the British may have circulated among the brothers William and James Pumphrey 's enslaved workforce and to the young Michael Shiner .
Clark was both literate and wrote Michael Shiner 's family and his former master .
During the War of 1812 information regarding Clark 's successful escape to the British may have circulated among the brothers William and James Pumphrey 's enslaved workforce and to the young Michael Shiner .