Heinrich Rudolf Hertz: heinrich rudolf hertz ka janm 22 feb 1857 ko hembarg,jarmani mein hua or unki shiksha barlin viswvidhalye mein hui! unhone j.c maxwel ke vidhutchumbakiye sidhant ki pryogo dwara pusti ki! unhone radio,teliphone,teligraph or tv ke bhi bhavisye mein vikas ki niv rakhi! Unhone prkash-vidhut prbhav ki bhi khoj ki jiski bad mein albart ainstain ne vyakhya ki ! Avrti ke SI matrak ka nam unke samman mein rakha gaya!........
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