81
5
Vote World Rank
199
Vote Poland Rank
4

Country: Poland

About A. Wolszczan
Aleksander Wolszczan ( listen) (born April 29, 1946 in Szczecinek, Poland) is a Polish astronomer. He is the co-discoverer of the first extrasolar planets and pulsar planets.Wolszczan was educated in Poland (MSc in 1969 and received his PhD in 1975 at the Nicolaus Copernicus University in Toruń), He moved in 1982 to the U.S. to work at Cornell and Princeton University. Later he became an astronomy professor at Pennsylvania State University, where he currently teaches. From 1994 to 2008 he was also a professor at the Nicolaus Copernicus University in Toruń. He is a member of the Polish Academy of Sciences. Working with Dale Frail, Wolszczan carried out astronomical observations from the Arecibo Observatory in Puerto Rico which led them to the discovery of the pulsar PSR B1257+12 in 1990. They showed in 1992 that the pulsar is orbited by two planets. Their orbits are 0.36 and 0.47 AU respectively. This was the first confirmed discovery of planets outside the Solar System (several hundred are known today). In 1996, Wolszczan was awarded the Beatrice M. Tinsley Prize by the American Astronomical Society, and in 2002, he was pictured on a Polish postage stamp. In 2003 Maciej Konacki and Wolszczan determined the orbital inclinations of the two pulsar planets, showing that the actual masses are approximately 3.9 and 4.3 Earth masses.

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Poland Scientists & Academicians Ranking

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Rank Name Total
1. Marie Curie 19012
2. Mikołaj Kopernik 2680
3. Daniel Fahrenheit 411
4. A. Wolszczan 81
5. Jan Hevelius 71

Scientists & Academicians Ranking

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Rank Name Total
195. B. Frederic Skinner 96
196. Rafig Aliyev 93
197. Ulugh Beg 92
198. Luis Leloir 86
199. A. Wolszczan 81
200. Osama Taha 77
201. Linus Pauling 76
202. Ignacio Domeyko 74
203. Masoud Alimohammadi 74

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# Name Today Total
1 Turkey 1226 7447691
2 Brazil 439 4561075
3 Romania 280 420654
4 Russia 268 1260075
5 South Korea 252 1626790
6 India 169 3608352
7 Iran 90 4127216
8 Portugal 89 237759
9 United States of America 48 1396074
10 Poland 46 381606
11 Syria 42 1374445
12 Macedonia 39 939471
13 United Kingdom 30 872573
14 Saudi Arabia 23 761654
15 Jordan 16 511992
16 Ukraine 15 219500
17 Palestine 14 147373
18 Israel 10 60743
19 Serbia 9 199250
20 France 9 81568
21 Germany 7 65334
22 Afghanistan 7 5590287
23 Sri Lanka 6 7529
24 Bosnia and Herzegovina 5 358274
25 Norway 3 13774
26 Sweden 3 21761
27 Lebanon 2 538926
28 Iraq 1 849596
29 Ireland 0 2249
30 Oman 0 4
31 Pakistan 0 273933
32 Kosovo 0 2950
33 Kuwait 0 63815
34 Kyrgyzstan 0 93
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50 Somaliland 0 0
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55 Paraguay 0 13
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57 Philippines 0 617
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