Amy Roberta (Berta) Ruck was a prolific Welsh writer of over 90 romance novels from 1905 to 1972. She also wrote short stories, an autobiography and two books of memoirs. Her married name was Mrs Oliver Onions from 1909 until 1918, when her husband changed his name and she became Amy Oliver.

George Oliver Onions, who published under the name Oliver Onions, was an English writer of short stories and novels. He wrote in various genres, but is perhaps best remembered for his ghost stories, notably the collection Widdershins and the widely anthologized novella "The Beckoning Fair One". He was married to the novelist Berta Ruck.