Gayatri Devi, director of New York Memory Services, which treats patients with neurological conditions, has used Gammagard to treat Alzheimer's for about seven years.

WSJ: Immune-Disorder Drug Shows Promise for Alzheimer's

Gayatri Devi was among the most famous of these.

ECONOMIST: Gayatri Devi, Maharani of Jaipur, died on July 29th, aged 90