June Lockhart, right, who played the character of Ruth Martin, mother of Timmy Martin, played by Jon Provost, left, during the classic series "Lassie," poses for a photograph with Lassie, 9th ...

LOS ANGELES — June Lockhart, who became a mother figure for a generation of television viewers whether at home in "Lassie" or up in the stratosphere in "Lost In Space," has died. She was 100. Lockhart ...