Stephen P. Weldon is Assistant Professor of History of Science at the University of Oklahoma. He has edited the Isis Bibliography since 2002. He teaches classes in history of science in the modern period with a specialization in science and religion issues. He is working on a book dealing with American humanism and science in the twentieth century.
Sylwester Ratowt is an independent scholar living in Georgia. He has a Ph.D. in History of Science from the University of Oklahoma, where he studied the nature of disciplinary discourse in the earth sciences. He has worked for the bibliography since 2002 as the main technical consultant on the project.