Christer Fuglesang in recognition of Anders Celsius, the Swedish 18th century astronomer who invented the Celsius temperature scale. Total EVA time during STS-116: 18 hours and 15 minutes. Fuglesang, once a Swedish national Frisbee champion, held the national title in "maximum time aloft" in 1978, and subsequently competed in the 1981 World Frisbee Championship. Fuglesang took one of his personal frisbees to the International Space Station. On Dec 15 in 2006, he set a new "world record" for Time Aloft by freefloating a spinning frisbee for 20 seconds in the microgravity environment of the ISS. It was done during a live broadcast
Christian Mayer (astronomer) of mathematics and physics at Heidelberg. By this age, however, he had developed a strong interest in astronomy. He was appointed Court Astronomer at Mannheim, and was tasked with selecting the instruments for the new observatories at Schwetzingen and Mannheim. With these completed, he was able to pursue his astronomical studies, and published numerous works. In 1769 he was invited to St. Petersburg to observe the transit of Venus, which he did together with Anders Johan Lexell. In 1773, the Jesuit order was dissolved by Pope Clement XIV, and consequently he was removed as Court Astronomer. However he was still