John McLaughlin
... that for the last two decades of his artistic career, American abstract painter John McLaughlin did not use curves in his paintings?
... that for the last two decades of his artistic career, American <a href="./Hard-edge_painting" id="mwEMk" rel="mw:WikiLink" title="Hard-edge painting">abstract</a> painter <b id="mwEMo"><a href="./John_McLaughlin_(artist)" id="mwEMs" rel="mw:WikiLink" title="John McLaughlin (artist)">John McLaughlin</a></b> did not use curves in his paintings?