John Henderson

Country of origin: Australia

John B. Henderson, Esq. is an attorney, business executive, sailor and member of the Miami Lighthouse Board. He was an American naval officer and Secretary of Defense operative during the Truman presidency. A native of Australia, John Henderson came to the U.S. with his parents as a child and settled in Brooklyn. He attended a military prep school and, later, Brown University. He was commissioned as a naval officer just before the end of the World War II.

To read the rest of the Wikipedia article about this blind activist, go here.

Pat Oliphant

Country of origin: Australia

Patrick Bruce "Pat" Oliphant (b. 24 July 1935 in Adelaide, Australia) is the most widely syndicated political cartoonist in the world, described by the New York Times as "the most influential cartoonist now working". His trademark is a small penguin character named Punk, who is often seen making a sarcastic comment about the subject of the panel.

To read the rest of Pat Oliphant's Wikipedia page, go here.

Andrew Thomas

Country of origin: Australia

Born December 18, 1951, in Adelaide, South Australia. Married to Astronaut Shannon Walker. He enjoys horse riding and jumping, mountain biking, running, wind surfing, and classical guitar playing. His father, Adrian C. Thomas, resides in Hackham, South Australia. His mother, Mary E. Thomas, resides in North Adelaide, South Australia.

...

Dr. Thomas was selected by NASA in March 1992 and reported to the Johnson Space Center in August 1992. In August 1993, following one year of training, he was appointed a member of the astronaut corps and was qualified for assignment as a mission specialist on Space Shuttle flight crews.

Read the rest of his biography here.