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.
Helen Keller died on June 1, 1968, at Arcan Ridge, a few weeks short of her 88th birthday. Her ashes were placed next to her companions, Anne Sullivan Macy and Polly Thomson, in St. Joseph's Chapel of Washington Cathedral. Senator Lister Hill of Alabama gave a eulogy during the public memorial service.