Doug Cooke

Douglas Cooke worked in NASA positions for 38 years, culminating in his retirement as Associate Administrator in 2011. He served in engineering and program management positions in the Space Shuttle, ISS, and Human Exploration programs. In his last year at NASA, he led...

Penelope J. Boston, Ph.D.

Founder and director of Cave and Karst Studies at the New Mexico Institute of Mining and Technology, Dr. Boston is also a co-founder of the Mars Underground group. She is the associate director of the National Cave and Karst Research Institute. Recently, Dr. Boston...