The page of Struther, Jan, English biography
Biography
Jan Struther was the pen name of Joyce Anstruther, later Joyce Maxtone Graham and finally Joyce Placzek (June 6, 1901 – July 20, 1953), an English writer remembered for her character Mrs. Miniver and a number of hymns, such as "Lord of All Hopefulness".
https://en.wikipedia.org/wiki/Jan_Struther
(Editor of this page: P. T.)