Complex sentence: Elizabeth Fleischman (5 March 1867-3 August 1905) was an American of Austrian Jewish descent who was an X-ray pioneer, and the first women to die from the effects of her work with X-rays.
Split into simpler sentences: Elizabeth Fleischman (5 March 1867-3 August 1905) was an American of Austrian-Jewish descent, who is considered an X-ray pioneer. Fleischman-Ascheim was the first women to die from the effects of her work with X-rays.