If one regards "The Collection of Tales of Times Now Past" as a revised, enlarged and expanded version of "Uji Dainagon Monogatari" (Tales of the chief councilor of state from Uji), then it would seem that the compiler was the major counselor from Uji, MINAMOTO no Takakuni.
『今昔物語集』を『宇治大納言物語』を改訂増補強したものと考える場合、作者は宇治大納言源隆国と考えられる。