June Lockhart the beloved star of Lassie and Lost in Space died peacefully on Thursday leaving behind a timeless legacy of warmth and grace

The actor, who died last week at 100, was known for her motherly roles in "Lassie," "Lost in Space" and "Petticoat Junction," radiating happiness and stability.

June Lockhart, a popular actress of the 1950s and ’60s known for her roles in “Lost In Space,” “Lassie” and “Meet Me in St. Louis,” died of natural causes on Oct. 23 in Santa Monica, Calif. She was 100. Lockhart became known for her performances as Timmy’s foster mother, Ruth Martin, on the CBS series …