Callista Roy, Date of Birth, Place of Birth

Callista Roy

American nurse and professor

Date of Birth: 14-Oct-1939

Place of Birth: Los Angeles, California, United States

Profession: scientist, nurse, university teacher

Nationality: United States

Zodiac Sign: Libra

Sister Callista Roy, CSJ (born October 14, 1939) is an American nun, nursing theorist, professor and author.
She is known for creating the adaptation model of nursing.
Roy was designated as a 2007 Living Legend by the American Academy of Nursing.