iira spragg bowen

iira spragg bowen (21 december 1898-6 februwari 1973) heey eka american bhautikshastradnya aanee khagolshastradnya hote. 1927 madhye tyanna aadhalale qee nebulium haah kharokhar rasayanik ghatak nasoon tyaeivaji duppat aayanikrut auxigen aahe.
jeevan aanee kaam.
bovencha janm 1898 madhye newyorkmadheel seneka fauls yethe philinda spragg aanee james bowen yanchya gharee jhaala. 1908 madhye tyachya vadilanche nidhan hoiparyant tyachya kutumbachya varanvarchya halchalinmule too gharich shikala. tevhapasoon too hotton mahavidhyalayat gela jithe tyachi aaee shikshika mhanoon kaam karat hotee. 1915 madhye highschoolmadhun padvi ghetalyanantar bowen heey hotton collegechya kanishth mahavidhyalayat rahile aanee nantar oberlin mahavidhyalayat ruju jhaale, jithun tyanni 1919 madhye padvi prapt kelee. oberlinmadhye asatana, bowen yanni shastradnya robbert hadfield yanchyasathi poladachya gunadharmanvar kahee sanshodhan kele. tyanche parinam 1921 madhye prakashit jhaale.
bowen yanni 1919 chya akheris shikago vidyapithat bhautikshastracha abhyas karnyas suruvat kelee. 1921 paryant tyanni robbert andreau millican yanchya sanshodhan gatat sthan midavale. rasayanik ghatakanchi atinil spectroscopy karanyachi jababdari tyala denyat aalee hotee. 1921 madhye george ellery hail yanni millicanla california institute auph technologymadhe jaanyas pravrutt kele aanee bowen tyachyasobat gele. helchya samparkat aalyane bowen yanna mount willson vedhshala aanee palomar vedhshalet kaam karnyas dekhil saksham kele. bowen yanni caltech yethe samanya bhautikshastravar vyakhyane dilee aanee vaishvik kirananvar sanshodhan kele aanee yuu. vhee. spectroscopyvaril tyanchya abhyasache anusaran kele. tyanni aavart saranitil prakash ghatkansathi varnpatavar ganana dekhil kelee. tyaa mahitisah aanee heinry norris russell, raymond smith dugan aanee johnn quincy stuart yanchya 'astronomy' yaa pustakatil vayoo niharika aanee qamee ghanatevar kiranotsargache utsarjan yaa adhyayachya preranene tyanni tyancha sarvat prasiddha shodh sadhya keela.
4959 aanee 5007 angstrom yetheel manjarichya dolhyanchya niharikechya hiravya utsarjan resha 1864 madhye william hugginsney shodhalya. kaaran prayogat konatyahi dnyat ghatakane yaa utsarjan resha darshavilya navhatya, 1890 chya dashakachya uttaradhat assa nishkarsh kadhala gela qee tyaa reshansathi eka naveen ghatak jababdar aahe, tyala nebulium mhanatat. resha jithe sapadalya hotya, tithe duppat aayanikrut oxygenchya nishiddha sankramanachi ganana karane bovenla shakya jhaale. niharikemadhye takkar honyachi qamee sambhavyata asalyamule uttejit avasthetun jaminichya sthiteet auxigen pohochane ashakya jhaale aanee mhanoon pratibandhit sankraman haah vishranticha mukhya marg hota. bowen yanni 1927 madhye tyanche nishkarsh prakashit kele aanee assa nishkarsh kadhala qee nebulium haah kharokhar rasayanik ghatak navhata.
bowen heey 1948 teey 1964 paryant seva denare palomar vedhshaleche pahile sanchalak hote.
1964 madhye nivrutt honyapurvi aanee tyanantarhi bowen anek mothya optical upkarananchya optical designchya sudharananmadhye sahbhagi hote, udaharanarth laas campanas vedhshaletil 100 inch ireni dupont.
too havamanshastrachya sandarbhat bowen gunottar sadar karnyasathi dekhil olakhala jaato, joou bashpibhavnachya prushthbhagavar sanvedanshil aanee supt ushnateche praman mojato.
sanman.
iira spragg bowen yuu. sathee nivadle gele.ess. 1936 madhye national academy auph sciences, 1940 madhye american philosophical society aanee 1950 madhye american academy auph arts andd sciences. 

