Kevin Ryan is a former lab director at Environmental Health Laboratories, Inc. a subsidiary of Underwriters Laboratory, Inc. the company that tested the strength of the steel columns in the World Trade Center in the 1960's. Ryan lost his job following a letter he wrote to the National Institute of Standards and Technology (NIST) challenging the official story that fires caused the collapse of the World Trade Centers North and South Towers and Building 7. In his talk, Ryan covers the NIST report.

The was a powerpoint presentation.

Ryan part 1: 23.4mb