What is 1040 Fifth Avenue?
{{Infobox building | name = 1040 Fifth Avenue | native_name = | native_name_lang = | former_names = | alternate_names = 10 40 | image = 1040 5th Ave.jpg | image_alt = | caption = | map_type = | map_alt = | map_caption = | altitude = | building_type = [[Cooperative]] | architectural_style = | structural_system = Skyscraper | cost = | ren_cost = | client = | owner = | current_tenants = | landlord = | location = [[Upper East Side]] | address = 1040 Fifth Avenue | location_town = [[New York City|New York]], [[New York (state)|NY]] | location_country = [[United States]] | start_date = 1920s | completion_date = 1920s | inauguration_date = | renovation_date = | demolition_date = | destruction_date = | height = | diameter = | antenna_spire = | roof = | top_floor = | other_dimensions = | floor_count = 17 | floor_area = | seating_type = | seating_capacity = | elevator_count = | main_contractor = | architect = [[Rosario Candela]] | architecture_firm = | structural_engineer = | services_engineer = | civil_engineer = | other_designers = | quantity_surveyor = | awards = | url = | references = }} '''1040 Fifth Avenue''' (informally known as the '''10 40''') is a luxury residential [[housing cooperative]] in the [[Upper East Side]] of [[Manhattan]], [[New York City]]. 1040 is one of the tallest of the limestone-clad apartment houses on Fifth Avenue. The building was erected in 1930 and was designed by [[Rosario Candela]]. In addition to [[Jackie Kennedy]], [[Generoso Pope]] was the second notable resident who lived in the apartment bu