Kathryn Dwyer Sullivan was born on 3 October 1951. She was an American geologist and NASA astronaut. He was born in the city of Patterson, New Jersey. He received his graduation in 1949 from William Howard Taft High School in Woodland Hills District, California. In 1969, she was award a Bachelor of Science degree in Earth Sciences from the University of California. And he did his Ph.D. in Geology from Dalhousie University. While she was in Dalhousie, she participates in many oceanographic expeditions, also studied the depths of the Atlantic and Pacific oceans.

Sullivan joined the US Naval Reserve in 1988 as an oceanographic officer and retired as a captain in 2006. He served as Chief Scientist for the National Oceanic and Atmospheric Administration. And before NASA, Sullivan worked in Alaska as an oceanographer. On October 11, 1984, Sullivan was first praised during his Space Shuttle challenge of activity beyond the Earth’s atmosphere outside the spacecraft. Sullivan and mission specialist David Leismat took a 3.5-hour spacewalk in which they designed a design that demonstrated that the satellite could be refueled in the orbit.

During their eight-day mission, the crew deployed an Earth Radiation Budget Satellite in which they conducted scientific observations of the Earth with the OSTA-3 pullet. In April 1990, Sullivan served as a crew member on the STS-31, which sailed from Kennedy Space Center, Florida on April 24, 1990. He completed 76 of Earth’s planetary sites in 121 hours and landed at Edwards Air Force Base, California on 21 April 1990.