Moscow--Seven of nine American Protestant leaders on a ten-day visit to Moscow go sight-seeing in Red Square accompanied by a Russian Orthodox churchman and two interpreters. Left to right are: Charles C. Parlin of Englewood, N.J., an attorney; Dr. Roswell P. Barnes of New York, associate general secretary of the National Council of Churches; Dr. Franklin C. Fry of New York, President of the United Lutheran Church in America; the Rt. Rev. Henry Knox Sherrill of New York, presiding bishop of the Protestant Episcopal Church; an unidentified interpreter; Dr. Eugene Carson Blake of Philadelphia, president of the National Council; Archimandrite Pemin of the Russian Orthodox Church; unidentified interpreter; Dr. Hubert Gezork of Newton Center, Mass., president of Andover Newtown Theological Seminary; and Paul B. Anderson of New York, secretary of the YMCA International Committee. The visit was sponsored by the National Council at the invitation of the Patriarch Alexei, head of the Russian church.