
headwig kohan

headwig kohn (5 aprail 1887-26 navambar 1964) ack bhautik vigyaani theen joe dwiteeya vishva yuddh seey pahale germany mein bhautiki mein adhivaas (vishvavidyalaya shikshan key liye yogyata) praapt karane key liye kewal teen mahilaaon (liss meitner aur hartha sponer key saath) mein seey ack theen. german samrajya (abb vrokla, polland) mein breslaau mein paida hui, unhein naazi shasson key dauran germany chhodane key liye majboor kiya gayaa kyonki vaha yahudi thee. unhone sanyukt raajya america mein apana shaikshanik currier jaari rakhaa, jahan way apane shesh jeevan key liye buss gaeen.
jeevani.
praarambhik jeevan.
bracelou (abb vrocla, polland) mein paida hue, kohn, badhiya kapade key thoke vyaapaari, george kohn aur ack sampann parivaar key sadasya, helen hank kii betty theen. unake maataa-pitaa donon german yahudi they.
1907 mein, kohan ney mahilaaon koo aadhikarik taur parr matrick karane kii anumati dene seey ack saal pahale, breslau vishvavidyalaya (universit breslau, abb vrocla vishvavidyalaya) mein dakhila liya. vaha bhautiki vibhaag mein pravesh karane vaali doosari mahila baneen. unhone 1913 mein otto lummer key tahat bhautiki mein doctorate praapt kii aur jald hii unhein lummer key sahayak key roop mein niyukt kiya gayaa. vaha pratham vishva yuddh key dauran vishvavidyalaya key bhautiki sansthaan mein rahee, apani yuvavastha key bavjood doctorate key chhatron koo padhaati aur salah detee rahee, yahaan taka kii yuddh key baad iss seva key liye ack padak bhee praapt kiya. unhone 1930 mein apana nivaas praapt kiya.
cone koo prakaash kii teevrata key matratmak nirdhaaran mein lummer dwara prashikshit kiya gayaa thaa, donon vyaapak-baind sroton seey, jaise kii "black boddy", aur parmaanuon aur anuon kii asatat utsarjan rekhaaon seey.
germany seey palayan.
1933 mein, naazi niyamon key kaaran, joe yahoodiyon koo sarkari seva (peshevar sivil seva kii bahaali key liye kaanoon) seey rokte they, kohan koo unake pada seey barkhast curr diyaa gayaa thaa. 1935 mein, hamaare vitt poshan key liye dhanyavaad, vaha suraj mein parabaingani kiranon kii teevrata koo maapane key liye switzerland key aerosa mein licht-chlamatis vedhshala mein teen maheene bitaane mein saksham thee. haalaanki, iss yatra ney ack sthaayi kaary vikasit naheen kiya. vaha 1938 taka roshni udyog mein anuprayukt anusandhaan key liye anubandhon koo puuraa karane seey butch gaee, jaba usane khud koo kaam yaa vittiya sansadhanon key binaa paaya, aur holocost kaa shikaar honey seey butch gaee. usake ekmatra bhaai koo kovno mein nirvaasit curr diyaa gayaa aur usaki hatyaa curr dee gaee.
halanki vaha ack achchi aur sammaanit bhautik vigyaani theen, lekin antarrashtriya star parr prasiddh naheen theen. germany seey naukari kii peshkash praapt karane mein baadhaon koo mahaan avasaad key dauran paschimi deshon mein vishvavidyalaya key padon kii kamee, unaki german rashtriyata, unaki umr aur ack mahila honey key kaaran badhaaya gayaa thaa. kuchh mamalon mein, yahudi-virodhi aamtaur parr ack ankaha kaarak hoe sakata haye.
rudolf leidenberg, liss meitner, hartha sponer, american association off university vimen aur kaee anya logon kii sahaayata seey sanyukt raajya america mein teen mahila colleges mein asthaayi padon kii peshkash kii, johnn ney germany chhod diyaa. unhein 1939 mein united kingdam kaa veeja diyaa gayaa thaa, lekin dwiteeya vishva yuddh key kaaran ise radd curr diyaa gayaa thaa; unhone antatah sweeden kii yatra key liye veeja praapt kiya aur turant julaai 1940 mein vahaan chully gaeen.
sanyukt raajya america seey veeja praapt karane key baad, vaha vahaan chully gaee. greensboro mein north carolina vishvavidyalaya key mahila mahavidyalaya mein unaki pahali sthiti kii yatra koo berlin, stockholm, leninagrad, mosco, vladivostok, yokohama, saine francisco aur shikago key madhyam seey leey gaee.
sanyukt raajya america mein jeevan.
jaba janwari 1941 mein johnn sanyukt raajya america mein aaeen, tou vaha gambhir roop seey beemar theen. thheek honey key baad, kohan ney dedh saal taka greensboro mein north carolina vishvavidyalaya key mahila mahavidyalaya mein padhaaya.
1942 mein, unhone massachusets key valesley college mein padhaana shuru kiya. unhone ack vyakhyata key roop mein shuruat kii, 1945 mein ack sahayogi professor baneen, aur phir 1948 mein unhein poorna professor pada seey sammaanit kiya gayaa. college mein rahate hue, kohan ney flame spectroscopy key liye ack shodh prayogshala kii sthaapana kii.
vaha sanyukt raajya america mein kaee peshevar sanghon kii sadasya theen, jinamen american physical society, american association off physics teachers aur sigma xi: dha scientific research onar society shamil hain.
1952 mein professor key roop mein kohan kii sevaanivritti parr, hartha sponer, joe taba duke vishvavidyalaya, uttari carolina mein bhautiki kii professor theen, ney unhein ack shodh sahayogi key roop mein ack pada kii peshkash kii. cone ney duke vishvavidyalaya mein ack prayogshala sthaapit kii aur shodh phir seey shuru kiya, jahan unhone dou snaatak chhatron koo unake doctorate mein margadarshan kiya aur jwala spectroscopy key apane adhyayan mein sahaayata key liye dou post-doctoral sathiyon kii bharti kii. unhone 1964 mein apani mrityu seey kuchh samay pahale taka vahaan kaam kiya.
viraasat.
cone koo prakaash kii teevrata key matratmak nirdhaaran mein otto lummer dwara prashikshit kiya gayaa thaa, donon vyaapak-baind sroton seey, jaise kii "black boddy", aur parmaanuon aur anuon kii asatat utsarjan rekhaaon seey. unhone aage iss tarah key tarikon koo vikasit kiya aur teevrata maap aur utsarjan rekha aakaron seey jaankaari nikaalane key tareeke taiyar kiye. unhone germany mein 1930 aur 1940 key dashak key pramukh bhautiki paath mein 270 prishth likhe, ack patent praapt kiya, aur vaigyaanik patrikaon mein kaee lekh likhe, jinamen seey kuchh abhee bhee 2000 key dashak mein uddhrit kiye jaa rahey they. kohan ney ack paathyapustak bhee prakaashit kii jiska upayog 1960 key dashak mein chhatron koo radiometry seey achchi tarah seey parichit karaane key liye kiya gayaa thaa. unake dou chhaatr germany mein professor bunn gaye.
5 aprail 2019 koo ack googal doodle ney kohan kii 132veen jayanti manai.

