Gudmundur Svavar (Bo) Bodvarsson (November 11, 1952 – November 29, 2006) was an Icelandic hydrogeologist who is known for his work with the Yucca Mountain nuclear waste repository. [1] [2] [3] From 1980 until his death, he was affiliated with the Berkeley Lab, serving as the director of its earth science division from 2001. He was also a prolific writer on the subject of hydrology. [4]