BookMark: Time Traveler by Ronald L. Mallett By RICK WEINBERG • January 5, 2011 Related Program: WPSU's BookMark Tweet Share Google+ Email After a sudden tragedy, a child is inspired to take a lifelong journey into science. Hear more about this Penn State alum's exploration of time travel with this week's book review. Visit Dr. Mallett's website. Watch a CNN profile of Dr. Mallett. Watch another short special on Dr. Mallett.