
Acting
Dr. Robert Duane Ballard is a retired United States Navy officer and a professor of oceanography at the University of Rhode Island who is most noted for his work in underwater archaeology: maritime archaeology and archaeology of shipwrecks.

2019

2015

2000

2025

2019

2017

2023

1994

2003

2002

2010

2021

1998

1986

2012

1986