Ensenada Eclipse Expedition: observers at eclipse camp, led by W. H. Wright. Seated, left to right: Ambrose Swasey, Mrs. Elizabeth Campbell, W.W. Campbell, Mrs. Edna Leib Wright, W.H. Wright, Joseph H. Moore. Standing: Joseph Pearce, Hamilton Jeffers, Z.A. Merfield, Robert Trumpler, Grace Leib (later Grace Hubble), Willem Luyten, William F. Meyer, Allen H. Babcock, E. Percival Lewis, W.W. Campbell.