One idea for an article that can be improved is Carlos Juan Finlay. Finlay was the first person to realize that yellow fever is connected to mosquitos back in 1886. However, his idea was ignored until 1900 when someone else made the claim, and he did not received credit for making this discovery until 36 years after his death. The Wikipedia article about Finlay is very brief containing only seventeen very short paragraphs. There could be expansion on his work with the yellow fever/mosquito connection and expansion on his other work. There are only two paragraphs about his Legacy, which could be expanded, and there is no information on his personal life (if he was married, had children, etc.). One source that has more information than Wikipedia is ScienceBlogs where it describes more accepts of his professional career. On the Wikipedia talk page there seems to be confusion if his name is Carlos Juan or Juan Carlos and there are comments about citation errors. If this article was to be chosen the first step would be to figure out if his name is Carlos Juan or Juan Carlos and then make sure the Wikipedia article name corresponds with the discovered information.