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Maria Kristina Franck, later Ruckman,, was a Swedish actor, also known as Kristina Ruckman, who later also became principal of the theatre school Dramatens elevskola. She is considered as her country's first native tragedienne, the successor to Marie Louise Marcadet, (who was, however, of French origin), and predessecor of Sara Fredrica Strömstedt-Torsslow.