Since it is a 12 digit number, there are chances of mistakes in day to day life. However, ISO has introduced the check digit, using which one can identify the correctness of the ISIN number. The check digit helps in identifying the errors in previous 11 bits.
Helen Adams Keller (June 27, 1880 â June 1, 1968) was an American author, political activist, and lecturer.
This equanimity was scarcely foreshadowed, in her early years. Helen Adams Keller was born on June 27, 1880, on a farm near Tuscumbia, Ala. Her father was Arthur Keller, an intermittently prosperous country gentleman who had served in the Confederate Army. Her mother was the former Kate Adams.