Matches in DBpedia 2014 for { ?s ?p Carl Alvar Wirtanen (November 11, 1910, Kenosha, Wisconsin – March 7, 1990) was an American astronomer who worked at Lick Observatory.He discovered periodic comet 46P/Wirtanen, as well as eight asteroids, including notably the Apollo asteroid (29075) 1950 DA, which may have a non-negligible probability of impacting the earth in the year 2880. He also discovered two other Apollo asteroids: 1685 Toro and 1863 Antinous.. }
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- Carl_A._Wirtanen comment "Carl Alvar Wirtanen (November 11, 1910, Kenosha, Wisconsin – March 7, 1990) was an American astronomer who worked at Lick Observatory.He discovered periodic comet 46P/Wirtanen, as well as eight asteroids, including notably the Apollo asteroid (29075) 1950 DA, which may have a non-negligible probability of impacting the earth in the year 2880. He also discovered two other Apollo asteroids: 1685 Toro and 1863 Antinous.".