Complex sentence: Naima Sahlbom (May 15,1871--March 29,1957) was a Swedish chemist, mineralogist, and peace activist, one of Sweden's most prominent early women chemists.
Split into simpler sentences: Naima Sahlbom (May 15,1871--March 29,1957) was a Swedish chemist, mineralogist, and peace activist. She is considered to be one of Sweden's most prominent early women chemists.