Marthe Kiley-Worthington , wildlife zoologist in United Kingdom . Marthe Kiley-Worthington is an internationally renowned ethologist and animal behavior expert. Raised in Kenya, Dr. Kiley-Worthington was then university-educated in the UK, before returning to Africa to continue her Research and set up a farm. She then returned to the UK to complete her doctorate in communication in domestic and wild large mammals with Sussex University. Her postdoctoral work included developing an Ethogram for cattle, and studying wild eland and blesbok. In 1988, the United Kingdom RSPCA sponsored an 1-month study of circuses by Dr Marthe Kiley-Worthington. The society refused to publish the results because she concluded circuses caused animals no distress and could have benefits for Conservation, education and science. Kiley-Worthington subsequently published her report in the book Animals in Circuses & Zoos (Aardvark Publishing).