Steele MacKaye
... that 19th-century American actor and playwright Steele MacKaye invented a variety of theatrical devices, including folding theatre seats?
... that 19th-century American actor and playwright <b id="mwF4A"><a href="./Steele_MacKaye" id="mwF4E" rel="mw:WikiLink" title="Steele MacKaye">Steele MacKaye</a></b> <i id="mwF4I">(pictured)</i> invented a variety of theatrical devices, including folding theatre seats?