James di Properzio, founder and president of PROPERZIO PROSE, is a regular contributor to the World & I Magazine's science section.  He has a B.A. in History of Science and Philosophy from Saint John's College, and over 10 years of scientific editing and writing experience.

Jennifer Margulis, director of PROPERZIO PROSE, is a regular contributor to Healthy Life, Valley Kids, and Connecticut River Valley Collectors. Her creative non-fiction has appeared in several national magazines, including Science and Children and The Exquisite Corpse.  In addition to publishing journalistic articles, creative non-fiction, scholarly writing and book reviews, she has edited one book: a classroom edition of Susanna Haswell Rowson’s 1794 play, Slaves in Algiers; or a Struggle for Freedom (Copley Publishers, 2000).  She earned a B.A. in English literature and Russian language from Cornell University, an M.A. in Comparative Literature from the University of California at Berkeley, and a Ph.D. in American Literature from Emory University.  She has won several awards, including an international fellowship from Tuskegee University, and was included in The World's Who's Who of Women (2000), and Who's Who Among University Students (1999-2000).  She is currently directing a documentary film on contemporary African-American speculative fiction writer Octavia Butler and editing a book, Toddler: Real-life Stories of Those Fickle, Irrational, Urgent, Tiny People We Love.  Fluent in four languages, she has appeared on live, prime-time TV in France, eaten fried crickets in Niger, been invited to speak on the uses and abuses of Kefir in Montreal, and performed the Can-can in America.