Marta Helena Nobel-Oleinikoff
Marta Helena Nobel-Oleinikoff, née Marta Helena Nobel (phonetic: [nobél])(born 9 October 1881 in St. Petersburg, died 1973 in Stockholm) was a Swedish-Russian physician and philanthropist and member of the Nobel family. She was the daughter of industrialist and humanitarian Ludvig Nobel and the niece of Alfred Nobel.
In 1912, she donated to the St. Petersburg's Women's Medical Institute, presently Pavlov St. Petersburg State Medical University, its Surgery Clinic. She was the head physician of the Branobel war hospital and was awarded the Finnish Winter War Medal in 1940.
She was the grandmother of Michael Nobel.