age ~67
from Boulder City, NV
 
                … particularly long time, but it left the child deaf and blind. At that time, she was able to communicate somewhat with Martha Washington,[11] the six-year-old daughter of the family cook, who understood her signs; by the age of seven, Helen had more than 60 home signs to communicate with her...
 
                         
                         
                         
                         
                         
                         
                        