Friedenstein, Johanna C. of Lexington, formerly of Malden and Cambridge, March 6, 2018, age 100. Wife of the late Charles H. Chandler. Daughter of the late Paul and Gertrud Friedenstein. Hanna is survived by 2 cousins and their families, Cathy Robinson of South Africa, and Brian Marnham of England. She also leaves many dear friends and the loving staff at Brookhaven At Lexington. Hanna was a Chemist/Librarian with Cabot Corporation for 33 years. A celebration of her life will be held at Brookhaven at a later date. In lieu of flowers, donations in her memory may be made to the charity of your choice.