Felicia Chater

 was a early 20th century Earth mystery novelist. Her first husband died two years into their marriage. After about a year, she moved to London and began looking for a new spouse. She arranged to dine with Colonel Radlett, a longtime family friend, to see if he was suitable. However, when she met Percy Closed she immediately fell in love with him. She helped the Fourth Doctor and Romana stop Zodaal from destroying the Earth. During the fighting, he fell in love with Felicia as well and decided to marry her afterward. (PROSE: The English Way of Death)