The track "To Know Him Is to Love Him" appears on the compilation set "Back to Mono" produced by whom? 
Back to Mono (1958–1969): Back to Mono (1958–1969) is a box set (4 compact discs or 5 vinyl LPs) compilation of the recorded work of record producer Phil Spector, through the 1960s, released in 1991 by ABKCO as #7118-2. Back to Mono (1958–1969):  The first track, "To Know Him Is to Love Him," released in 1958, features Spector performing as part of the group the Teddy Bears. To Know Him Is to Love Him: "To Know Him Is to Love Him" is a song written by Phil Spector, inspired by words on his father's tombstone, "To Know Him Was To Love Him."
Phil Spector