When Did Norma Ronald Die?

Norma Ronald was a British radio and television actress. She was chiefly known for her roles as Mildred Murfin in the BBC radio comedy series The Men from the Ministry ; as secretary Kay Lingard in the TV dramas The Plane Makers and The Power Game ; and as Colonel Ed Straker's secretary Miss Ealand in the science fiction TV series UFO (1970–1971).