एस. आर. रंगनाथन
thumb|es. ar. ranganathan
S. R. Ranganath
es. ar. ranganathan ek vikhyat pustakaladhyaksh aur shikshashastri the (janm-9 agast 1892 madras, mrityu-27 sitanbar 1972, bangalaur) jinhean bharat mean pustakalay vijnan ka adhyaksh v janak mana jata haian. inaka poora nam shiyali ramamrita ranganathan hai.
jivan parichay
es. ar. ranganathan ka janm 9 agast 1892 ko shiyali, madras (vartaman chennee) bharat mean hua tha. ranganathan ke yogadan ka bharat par vishvavyapi prabhav p da. ranganathan ne bharat mean kee pustakalayoan ki sthapana ki thian.
shiksha
ranganathan ki shiksha shiyali ke hindoo haee skool, tichars k aaulej, sidapett mean huee thian. madras krishchiyan k aaulej mean unhoanne 1913 aur 1916 mean ganit mean bi॰ e aur em॰ e॰ ki upadhi prapt ki. 1917 mean unhoanne gavarnameant k aaulej, koyanbatur aur 1921-23 ke dauran prezideansi k aaulej, madras vishvavidyalay mean adhyapan kary kiya.
pad
1924 mean ranganathan ko madras vishvavidyalay ka pahala pustakalayadhyaksh banaya gaya aur is pad ki yogyata hasil karane ke lie vah yoonivarsiti k aaulej, landan mean adhyayan karane ke lie ianglaiand ge. 1925 se madras mean unhoanne yah kam poori lagn se shuroo kiya aur 1944 tak is pad par bane rahean. 1945-47 ke dauran unhoanne banaras (vartaman varanasi) hindoo vishvavidyalay mean pustakaladhyaksh aur pustakalay vijnan ke pradhyapak ke roop mean kary kiya v 1947-54 ke dauran unhoanne dilli vishvavidyalay mean padhaya. 1954-57 ke dauran vah zyoorikh, svitzaralaiand mean shodh aur lekhan mean vyast rahe. isake bad vah bharat laut ae aur 1959 tak vikram vishvavidyalay, ujjain mean atithi pradhyapak rahe. 1962 mean unhoanne bangalor mean pralekhan anusandhan evan prashikshan keandr sthapit kiya aur isake pramukh bane aur jivanaparyant isase ju de rahe. 1965 mean bharat sarakar ne unhean pustakalay vijnan mean rashtriy shodh pradhyapak ki upadhi se sammanit kiya.
yogadan
pustakalay vijnan ke lie ranganathan ka pramukh takaniki yogadan vargikaran aur anukramanikaran (iandeksiang) siddhaant tha. unake k aaulan qlasifikeshan (1933) ne aisi pranali shuroo ki, jise vishv bhar mean vyapak roop mean istemal kiya jata hai. is paddhati ne devi dashamalav vargikaran jaisi purani paddhati ke vikas ko prabhavit kiya. bad mean unhoanne vishay anukramanikaran pravishtiyoan ke lie 'shrriankhala anukramanikaran' ki takanik taiyar ki.
kritiyaan
es. ar. ranganathan ki any kritiyoan mean qlasifaid kaitel aaug kod (1934), prolegomena tu laibreri qlasifikeshan (1937), thyori aauf laibreri kaitel aaug (1938), elimeants aauf laibreri qlasifikeshan (1945), qlasifikeshan aiand iantaraneshanal d aaukyoomeanteshan (1948), qlasifikeshan aiand kamyunikeshan (1951) aur hediangs aiand kainans (1955) shamil hai. unaki faiv l aauz aauf laibreri saians (1931) ko pustakalay seva ke adarsh evan nirnayak kathan ke roop mean vyapak roop se svikrit kiya gaya. unhoanne rashtriy aur kee rajy stariy pustakalay pranaliyoan ki yojanaean taiyar kian. kee patrikaean sthapit aur sanpadit kian aur kee vyavasayik samitiyoan mean sakriy rahean.
mrityu
es. ar. ranganathan jaise mahan pustakaladhyaksh aur shikshashastri ki mrityu 27 sitambar 1972, bangalor mean huee thian.
bahari k diyaan
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