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Of the many applications of metagenomics , researchers such as Jo Handelsman , Jon Clardy , and Robert M. Goodman , explored metagenomic approaches toward the discovery of biologically active molecules such as antibiotics .
 person: Jo Handelsman; person: Jon Clardy; person: Robert M. Goodman
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Jo Handelsman; person: Jon Clardy; person: Robert M. Goodman