Robert Strutt, 4th Baron Rayleigh British physicist (1875-1947) (1875–1947) Parents Evelyn Strutt, Baroness Rayleigh of Terling Place John William Strutt Children Violet Blanche Strutt Charles Richard Strutt John Strutt, 5th Baron Rayleigh Guy Robert Strutt Hedley Vicars Strutt Daphne Strutt Siblings Arthur Strutt William Maitland Strutt Julian Balfour Strutt Partners Lady Mary Clements Kathleen Alice Coppin-Straker
