Original sentence: Heinlein (* 7.Heinlein's productive writing career spanned the last 49 years of his life and thus the Robert A.Juli 1907 in Butler, Missouri; † 9.Mai 1988 in Carmel, California) was an US-american science fiction writer.Robert A
Edited sentence: Heinlein (1907–1988) was productive during a writing career that spanned the last 49 years of his life and thus the Robert A.The science fiction writer Robert A