Gertrude Rothschild, whose research helped improve light emitting and laser diodes now used in many cell phones, flat screen televisions and Blu Ray disc players, and who waged a successful copyright infringement battle against some of the world's biggest electronics companies that yielded tens of millions of dollars in settlements and licensing fees, died on Nov. 33 in rye, n.y. she was 10.
Gertrude Rothschild dies at 33 improved.