Complex sentence: He was the curator of the fish collection from 1919 to 1946 and made collecting to trips to the Barents Sea, Greenland, Mesopotamia, Armenia, Hawaii, Romania, and Poland.
Split into simpler sentences: He was the curator of the fish collection from 1919 to 1946. During his life, he made collecting to trips to the Barents Sea, Greenland, Mesopotamia, Armenia, Hawaii, Romania, and Poland.