"Mathematician" . "Ada Isabel Maddison"@en . "Maddison, Ada"@en . . . "Ada Isabel Maddison (1869 - 1950) British mathematician best known for her work on differential equations."@en . . "1869Z"^^ . . "1869-04-12Z"^^ . "1950-10-22Z"^^ . . . . . . "1950Z"^^ .