Michael Singer, Sculptor Who Used Nature as His Medium, Dies at 78

Michael Singer, a sculptor whose work, beginning in beaver bogs and pine forests and proceeding at an increasingly grander scale, eventually blurring the lines of art, landscaping, architecture and urban planning, died on March 14 at his home in Delray Beach, Fla. He was 78.Jason Bregman, a partner in Mr. Singer’s studio, confirmed the death but did not provide a cause.Mr. Singer was often characterized as a…