About Susan Aldridge, Elizabeth King Humphrey, Julie Whitaker
Susan Aldridge has been a freelance science and medical writer for more than 15 years and has contributed to a number of magazines and websites. She lives in London.Elizabeth King Humphrey has been a contributing writer, editorial advisor, copy editor, and co-designer for several magazines, books, and PBS documentaries. She lives in Wilmington, North Carolina.
Julie Whitaker has a master’s degree in anthropology and American studies. Whitaker has contributed to many books, including several encyclopedias. She lives on Vancouver Island, Canada.