To give you a more helpful answer, could you please specify:
* Which taxonomic group are you interested in? (e.g., plants, animals, fungi, bacteria, etc.)
* What time period are you interested in? (e.g., historical figures, current researchers)
* What specific research area are you interested in? (e.g., biodiversity, conservation, systematics, etc.)
With more information, I can provide a more relevant and informative response.