Conversation so far:
What year was Irving Thalberg born?
Thalberg was born in 1899.
Who were Irving Thalberg's parents?
Thalberg was born in Brooklyn, to German Jewish immigrant parents, William and Henrietta.
Did Irving Thalberg have any siblings?
Irving had a sister named Sylvia.
Did being diagnosed with blue baby syndrome“ impact Irving Thalberg at all in life?
During his high school years in Brooklyn, he began having attacks of chest pains, dizziness and fatigue. This affected his ability to study.
Where did Irving Thalberg go to school?
Thalberg went to high school in Brooklyn.
What caused Irving Thalberg's illness in high school?
Thalberg contracted rheumatic fever.
Did Irving Thalberg graduate high school?
When Thalberg returned to school, he finished high school but lacked the stamina for college.
What did Irving Thalberg do after school?
Thalberg took part-time jobs as a store clerk, and in the evenings, to gain some job skills, taught himself typing, shorthand and Spanish at a night vocational school.

Question: Where did he work as being a store clerk?
Self-contained rewrite: Where did Irving Thalberg work as a store clerk?