Lance R.Collins, dean of the College of Engineering at Cornell University, will be the guest speaker for UAH College of Engineering Distinguished Seminar on Friday, September 27. The event is a joint effort of the university's College of Engineering, and the Mechanical and Aerospace Engineering Department. Collins presentation "Role of Turbulence in the Atmospheric Processing of Clouds," will begin at 2 p.m., in Technology Hall S-105. The talk is free and open to the public. Collins is the Joseph Silbert Dean of Engineering at Cornell University (CU). He previously served as the S. C. Thomas Sze Director of the Sibley School of Mechanical and Aerospace Engineering at CU from 2005-2010, and he was Director of Graduate Studies for Aerospace Engineering 2003-2005.