 Ṣẹ ọrọ tó wà nísàlẹ yìí dópin: P. Radhakrishan Nair, Paramaswaran Radhakrish jẹ ògbóǹkangí onímọ sáyẹǹsì nípa òfuurufú, òǹkọwé àti agbọrọsọ láti India. O ti fẹyìntì lati Indian Space Research Organisation gẹgẹbi Igbakeji Oludari ti Liquid Propulsion Systems Centre. Radhakrish je okan lara awon akekoo meji ti won ti gbekalẹ lati rin irin ajo lọ si aaye ninu ise STS-61-I Challenger ni osu kewaa odun 1986 gege bi Oluko Igbese Igbese fun INSAT-1C, sugbon won fagile irinajo naa leyin ti awon olopaa : Àjálù ọkọ òkun Challenger. N.C.Bhat lati ile-iṣẹ Satẹlaiti ISRO ni onimọ-jinlẹ aaye India miiran ti NASA kọ ẹkọ fun iṣẹ naa. Eto naa ni lati yan ọkan ninu awọn meji wọnyi fun iṣẹ naa. 