Jennifer Hooper McCarty completed her master's and doctoral degrees in Materials Science and Engineering at Johns Hopkins University, specializing in the characterization of historic materials. Her dissertation formed the first complete analysis of the metallurgy of the Titanic rivets. Following her graduate research at both the Smithsonian Institution and the National Institute of Standards and Technology, she worked as a researcher at Oxford University. She lives in Portland, Oregon.
Tim Foecke earned his Ph.D. in Materials Science from the University of Minnesota, specializing in fracture of metals. Since 1991, he has been a staff materials scientist at the National Institute of Standards and Technology in Gaithersburg, Maryland, and since 2001 has also been an adjunct professor at Johns Hopkins University in Baltimore. He has performed failure analysis and forensic studies on the Titanic, USS Arizona, CSS Hunley, and the World Trade Center collapse, among other disasters. He resides in Damascus, Maryland.