Complex sentence: His first exhibition in 1904 at the Carfax Gallery in London was well-received by artists and art critics alike, ultimately befriending Wilfrid Gabriel de Glehn and John Singer Sargent.
Split into simpler sentences: His first exhibition in 1904 at the Carfax Gallery in London was well-received by artists and art critics. He befriended Wilfrid Gabriel de Glehn and John Singer Sargent.