அலெக்சாந்தர் தோம்
[[படிமம்:LongMegAndHerDaughters(SimonLedingham)May2005.jpg|thumb|right|இலாங் மெக்கும் அவரது பெண்மக்களும்,  அலெக்சாந்தர் தோமின் மிகப்பெரிய B-வகைமை தட்டையான வட்டம்]]
 '''அலெக்சாந்தர் ''சாந்தி'' தோம்'''  ''(Alexander Sandy Thom)'' (26 மார்ச்சு 1894 – 7 நவம்பர் 1985) ஒரு இசுகாட்டியப் பொறியாளரும் தொல்வானியலாளரும் ஆவார் இவரது பெருங்கற்கால முற்றம் எனும் கோட்பாடு மிகவும் பெயர்பெற்ற கற்காலம் சார்ந்த கோட்பாடாகும். இக்கோட்பாடு கல்வட்டங்களின் வகைமைகளையும்  கல்கட்டமைப்புகள் அமைந்த தொல்லியல் களங்களின் கோட்பாடுகளையும் விளக்குகிறது.&lt;ref name=&quot;Heath2003&quot;&gt;{{cite book|author=Robin Heath|title=Alexander Thom: Cracking the Stone Age Code|url=https://books.google.com/books?id=DmnHGAAACAAJ|accessdate=28 April 2011|date=May 2003|publisher=Bluestone Press|isbn=978-0-9526151-4-9}}&lt;/ref&gt;
 
 == வெளியீடுகள் ==
 தொல்வானியல் வெளியீடுகள்.
 * {{cite journal | author = Thom, Alexander | title = A Statistical Examination of the Megalithic Sites in Britain | journal = Journal of the Royal Statistical Society. Series A (General) | date = 1955 | volume = 118 | pages = 275–295| doi = 10.2307/2342494 | issue = 3 | jstor = 2342494}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1961 | title = The egg-shaped standing stone rings of Britain | journal = Archivs Internationales d'Histoire des Sciences | volume = 14 | pages = 291–303 }}
 * {{cite journal | author = Thom, Alexander | title = The Geometry of Megalithic Man | url = https://archive.org/details/sim_mathematical-gazette_1961-05_45_352/page/83 | journal = The Mathematical Gazette | date = 1961 | volume = 45 | pages = 83–93| doi = 10.2307/3614618 | issue = 352| jstor = 3614618 }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1962 | title = The megalithic unit of length | journal = Journal of the Royal Statistical Society, Series A | volume = 125 | issue = 2 | pages = 243–251 | doi=10.2307/2982328| jstor = 2982328 }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1964 | title = The larger unit of megalithic man | journal = Journal of the Royal Statistical Society, Series A | volume = 127 | pages = 527–533 | doi=10.2307/2343934| jstor = 2343934 }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1966 | title = Megaliths and mathermatics | journal = Antiquity | volume = 40 | issue = 158 | pages = 121–128 | doi=10.1017/s0003598x00032294}}
 * Thom, Alexander., Megalithic sites in Britain, Clarendon Press, Oxford, 1967 {{ISBN|978-0198131489}}.
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1968 | title = The metrology of cup and ring marks | journal = Systematics | volume = 6 | pages = 173–189 }}
 * Thom, Alexander., Megalithic Lunar Observatories, Clarendon Press, Oxford, 1970.
 * {{cite journal | last1 = Thom | first1 = Alexander | last2 = Thom | first2 = Archibald | date = 1971 | title = The astronomical significance of the large Carnac menhirs | journal = Journal for the History of Astronomy | volume = 2 | issue = 3 | pages = 147–160 | doi=10.1177/002182867100200301| bibcode = 1971JHA.....2..147T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1972 | title = The Carnac alignments | journal = Journal for the History of Astronomy | volume = 3 | pages = 11–26 | doi=10.1177/002182867200300103| bibcode = 1972JHA.....3...11T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1972 | title = The uses and alignments at Le Menec, Carnac | journal = Journal for the History of Astronomy | volume = 3 | pages = 151–164 | doi=10.1177/002182867200300301| bibcode = 1972JHA.....3..151T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1973 | title = The Kerlescan cromlechs | journal = Journal for the History of Astronomy | volume = 4 | issue = 3 | pages = 169–173 | doi=10.1177/002182867300400303| bibcode = 1973JHA.....4..168T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1973 | title = A megalithic lunar observatory in Orkney | journal = Journal for the History of Astronomy | volume = 4 | pages = 169–173 | doi = 10.1177/002182867300400203 }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1973 | title = The Astronomical Significance of the Crucuno Stone Rectangle | url = https://archive.org/details/sim_current-anthropology_1973-10_14_4/page/450 | journal = Current Anthropology | volume = 14 | issue = 4 | pages = 450–454 | doi=10.1086/201352}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1974 | title = The Kermario alignments | journal = Journal for the History of Astronomy | volume = 5 | pages = 30–47 | doi=10.1177/002182867400500104| bibcode = 1974JHA.....5...30T }}
 * {{cite journal | author1 = Thom, Alexander |author2= Stevenson Thom, Archibald|author3= Strang Thom, Alexander | title = Stonehenge | journal = Journal for the History of Astronomy | date = 1974 | volume = 5 |issue= 2| pages = 71–90 | bibcode = 1974JHA.....5...71T | doi=10.1177/002182867400500201}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1975 | title = Further work on Brogar Lunar Observatory | journal = Journal for the History of Astronomy | volume = 6 | issue = 2 | pages = 100–114 | doi=10.1177/002182867500600203| bibcode = 1975JHA.....6..100T }}
 * {{cite journal | author1 = Thom, Alexander |author2= Stevenson Thom, Archibald |author3= Strang Thom, Alexander | title = Stonehenge as a Possible Lunar Observatory | journal = Journal for the History of Astronomy | date = 1975 | volume = 6 | pages = 19–30 | bibcode = 1975JHA.....6...19T | doi=10.1177/002182867500600103}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1976 | title = Avebury volume 1: A new assessment of the geometry and metrology of the ring | journal = Journal for the History of Astronomy | volume = 7 | pages = 183–192 | doi=10.1177/002182867600700303| bibcode = 1976JHA.....7..183T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | last2 = Thom | first2 = Archibald | last3 = Foord | first3 = T.R. | date = 1976 | title = Avebury volume 2: the West Kennet Avenue | journal = Journal for the History of Astronomy | volume = 7 | pages = 193–197 | doi=10.1177/002182867600700304| bibcode = 1976JHA.....7..193T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | last2 = Thom | first2 = Archibald | last3 = Gorrie | first3 = J.M. | date = 1976 | title = The two megalithic lunar observatories at Carnac | journal = Journal for the History of Astronomy | volume = 7 | pages = 11–26 | doi=10.1177/002182867600700102| bibcode = 1976JHA.....7...11T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1977 | title = Megalithic Astronomy | journal = Journal of Navigation | volume = 30 | pages = 1–14 | doi=10.1017/s0373463300043575}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1977 | title = A Forth Lunar Foresight for the Brogar Ring | journal = Journal for the History of Astronomy | volume = 8 | pages = 54–55 | doi=10.1177/002182867700800107| bibcode = 1977JHA.....8...54T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1978 | title = A reconsideration of the Lunar Sites in Britain | journal = Journal for the History of Astronomy | volume = 9 | issue = 3 | pages = 170–179 | doi=10.1177/002182867800900302| bibcode = 1978JHA.....9..170T }}
 * Thom, Alexander., Megalithic remains in Britain and Brittany, Clarendon Press, Oxford, 1978.
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1979 | title = The standing stones in Argyllshire | journal = Glasgow Archaeological Journal | volume = vi | issue = 6 | pages = 5–10 | doi=10.3366/gas.1979.6.6.5}}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1980 | title = A new study of all lunar lines | journal = Archaeoastronomy: Supplement to the Journal for the History of Astronomy | volume = 2 | pages = 78–94 | bibcode = 1980JHAS...11...78T }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1980 | title = Astronomical foresights used by Megalithic man | journal = Archaeoastronomy: Supplement to the Journal for the History of Astronomy | volume = 2 | pages = 78–94 | bibcode = 1980JHAS...11...78T }}
 * Thom, Alexander, Thom Archibald Stevenson, Burl, Aubrey., ''Megalithic rings: plans and data for 229 monuments in Britain'',  British Archaeological Reports, 1980, {{ISBN|978-0-86054-094-6}}
 * Thom, Alexander, Statistical and philosophical arguments for the astronomical significance of standing stones, in D.C. Heggie, Archaeoastronomy in the Old World, Cambridge University Press, 53–82, 1982.
 * Thom, Alexander, Statistical and philosophical arguments for the astronomical significance of standing stones with a section on the solar calendar, in D.C. Heggie, Archaeoastronomy in the Old World, Cambridge University Press, 53–82, 1982.
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1983 | title = Observations of the moon in megalithic times | journal = Archaeoastronomy: Supplement to the Journal for the History of Astronomy | volume = 5 | pages = 57–66 }}
 * {{cite journal | last1 = Thom | first1 = Alexander | date = 1984 | title = The two major Megalithic observatories in Scotland | journal = Journal for the History of Astronomy | volume = 15 | issue = 7 | pages = 129–148 | bibcode = 1984JHAS...15..129T | doi = 10.1177/002182868401500706 }}
 * 1990. Thom, Alexander and Burl, Aubrey ''Stone Rows and Standing Stones: Britain, Ireland and Brittany'' B.A.R. 1990, {{ISBN|978-0-86054-708-2}}
 
 == மேற்கோள்கள் ==
 {{reflist}}
 
 == வெளி இணைப்புகள் ==
 * [http://adsabs.harvard.edu/cgi-bin/nph-abs_connect?db_key=AST&amp;db_key=PRE&amp;qform=AST&amp;arxiv_sel=astro-ph&amp;arxiv_sel=cond-mat&amp;arxiv_sel=cs&amp;arxiv_sel=gr-qc&amp;arxiv_sel=hep-ex&amp;arxiv_sel=hep-lat&amp;arxiv_sel=hep-ph&amp;arxiv_sel=hep-th&amp;arxiv_sel=math&amp;arxiv_sel=math-ph&amp;arxiv_sel=nlin&amp;arxiv_sel=nucl-ex&amp;arxiv_sel=nucl-th&amp;arxiv_sel=physics&amp;arxiv_sel=quant-ph&amp;arxiv_sel=q-bio&amp;sim_query=YES&amp;ned_query=YES&amp;aut_logic=OR&amp;obj_logic=OR&amp;author=thom%0D%0A&amp;object=&amp;start_mon=&amp;start_year=1900&amp;end_mon=&amp;end_year=1985&amp;ttl_logic=OR&amp;title=&amp;txt_logic=OR&amp;text=&amp;nr_to_return=200&amp;start_nr=1&amp;jou_pick=ALL&amp;ref_stems=&amp;data_and=ALL&amp;group_and=ALL&amp;start_entry_day=&amp;start_entry_mon=&amp;start_entry_year=&amp;end_entry_day=&amp;end_entry_mon=&amp;end_entry_year=&amp;min_score=&amp;sort=SCORE&amp;data_type=SHORT&amp;aut_syn=YES&amp;ttl_syn=YES&amp;txt_syn=YES&amp;aut_wt=1.0&amp;obj_wt=1.0&amp;ttl_wt=0.3&amp;txt_wt=3.0&amp;aut_wgt=YES&amp;obj_wgt=YES&amp;ttl_wgt=YES&amp;txt_wgt=YES&amp;ttl_sco=YES&amp;txt_sco=YES&amp;version=1 Thom's publications] at the [[Astrophysics Data System]]
 * [http://www.britannia.com/wonder/thom.html Biography]
 * [http://assets.cambridge.org/052157/2916/sample/0521572916web.pdf &quot;Astronomy before History&quot;], by [[Clive Ruggles]] and Michael Hoskins, a chapter from the ''Cambridge Concise History of Astronomy'', Michael Hoskin ed., 1999
 * [http://articles.adsabs.harvard.edu/full/seri/QJRAS/0028//0000178.000.html Alexander Thom, obituary] by D. C. Heggie, ''[[Quarterly Journal of the Royal Astronomical Society]]'', Vol 28, No 2, p 178-182
 * [https://www.bbc.co.uk/archive/chronicle/8604.shtml BBC Archive – Chronicle | Cracking the Stone Age Code]
 * [https://www.youtube.com/watch?v=O-Thyum811M Video footage of his home at Dunlop in Ayrshire]
 {{Authority control}}
 [[பகுப்பு:1894 பிறப்புகள்]]
 [[பகுப்பு:1985 இறப்புகள்]]
 [[பகுப்பு:இசுக்காட்லாந்துத் தொல்லியலாளர்கள்]]