It was Graham who provided a room in his house where Erdös could live when he wanted, he also stored Erdös's papers there and, in many ways, acted as a secretary to Erdös.
Ito ay Graham na ibinigay ng isang kuwarto sa kanyang bahay kung saan Erdös could live kapag siya pinaghahanap, siya din ang naka-imbak Erdös ng mga papeles doon at, sa maraming paraan, acted bilang isang sekretarya sa Erdös.