"1956-01-12Z"^^ . . "Swiss painter and photograph" . . "Burkhardt, Martha"@en . "Martha Burkhardt (30 April 1874 \u2013 12 January 1956) was a Swiss painter and photographer. Born in the city of Aarau, she spent her childhood in Rapperswil and as an adult made Rapperswil again her home."@en . . "1874-04-30Z"^^ . . "1874Z"^^ . "Martha Burkhardt"@en . "1956Z"^^ . .