The professions of urban planning and public health share similar bottoms Both fields began as reactions to the poor quality of housing.

The professions of urban planning and public health share similar bottoms Both fields began as reactions to the poor quality of housing, water minister and waste disposal in the cities that grew during the industrial revolution. J B Cullingworth's Town and rural parts Planning in Britain, 10th ed (Unwin, 1988) begins by declaring,

Town and political division planning as a task of restraint has
evolveed from public health and housing policies. The
nineteenth-century increase in population and, smooth more
significant, the development of towns led to public health vexed questions
which demanded a modern role for government. ...