Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: I whanau a Perelman i te tau 1882 i te taone o Białystok, Congress Poland. I whakawhiwhia e ia te Tiipora mo te Ngahere mai i te Imperial Forestry Institute (I tenei wa ko te Saint-Petersburg State Forestry University) i Saint Petersburg, i te tau 1909. I whakaawetia ia e Ernst Mach me te Russian Machist Alexander Bogdanov i roto i tana huarahi whakaako ki te whakatipu i te putaiao. Whai muri i te angitu o "Physics for Entertainment", ka timata a Perelman ki te whakaputa i etahi atu pukapuka, i roto i tana whakaatu i a ia ano he kaiwhakaputa whakaaro mo te putaiao. He tino rongonui nga "Arithmetic for entertainment", "Mechanics for entertainment", "Geometry for Entertainment", "Astronomy for entertainment", "Lively Mathematics", "Physics Everywhere", me "Tricks and Amusements".  Pātai: I wahea a Perelman i whiwhi tohu?
Ko te tau 1909