▁to ▁California ▁with ▁her ▁six - year - old ▁daughter ▁Le onie ▁and ▁two - year - old ▁daughter ▁Le ota . ▁Their ▁first ▁home ▁in ▁California ▁was ▁Stock ton , ▁but ▁they ▁finally ▁settled ▁in ▁San ▁Francisco . ▁Le onie ▁von ▁Me use bach – Z esch ▁completed ▁her ▁basic ▁education ▁through ▁high ▁school ▁in ▁San ▁Francisco , ▁and ▁in ▁ 1 9 0 2 ▁graduated ▁from ▁the ▁Arthur ▁A . ▁D ug oni ▁School ▁of ▁D ent istry , ▁at ▁that ▁time ▁known ▁as ▁the ▁College ▁of ▁Phys icians ▁and ▁Sur ge ons . ▁She ▁became ▁a ▁pract icing ▁dent ist ▁in ▁June ▁ 1 9 0 2 ▁after ▁passing ▁the ▁California ▁State ▁D ental ▁Board ▁exam ination ▁and ▁being ▁h ired ▁on ▁to ▁work ▁for ▁Swedish ▁imm igr ant ▁Dr . ▁Mat son . ▁ ▁Me use bach – Z esch ▁was ▁expected ▁to ▁replace ▁the ▁duties ▁formerly ▁held ▁by ▁Dr . ▁Mat son ' s ▁wife , ▁and ▁her ▁work ▁hours ▁were ▁initially ▁presented ▁as ▁being ▁ 8 ▁a . m .- 9 ▁p . m . ▁ ▁She ▁would ▁find ▁the ▁reality ▁being ▁longer ▁hours ▁and ▁seven ▁days ▁a ▁week , ▁eventually ▁col laps ing ▁on ▁the ▁floor ▁from ▁exhaust ion . ▁It ▁was ▁during ▁this ▁period ▁she ▁also ▁began ▁to ▁study ▁the ▁correlation ▁of ▁a ▁patient ' s ▁di et ▁to ▁their ▁dent al ▁health . ▁ ▁At ▁ 5 : 1 2   a . m . ▁on ▁April ▁ 1 8 , ▁ 1 9