What is the Graveyard School of Poetry? Who are its main authors?

The Graveyards poets were a number of  pre-Romantic English poets of the 18th century characterized by their gloomy meditation on morality in the context of the graveyard. They were preoccupied with the themes of death, morbidity, and delightful gloom, the sense of  Weltschmerz  devoted to investigation of melancholy and clinical states of mind.

Authors:

• – Thomas Gray (Elegy Written in a Country Churchyard)
• – Edward Young (The Complaint or Night Thoughts)
• – Robert Blair (The Grave)