in 1913, he completed a mural on the triumphal arch at the in waren an der müritz. however, due to theological concerns, the mural was painted over during renovations in 1963. his original study for the mural was found, by accident, during work on his home in 2000. upon review, the congregation voted to restore the mural. it was unveiled in 2013, on the 100th anniversary of its creation.