A short pre-history of Quantum Gravity

TL;DR

This paper reviews the initial efforts from the 1960s to develop a quantum theory of gravity, highlighting the historical context and early approaches.

Contribution

It provides a concise historical overview of the pioneering attempts to quantize General Relativity starting in the 1960s.

Findings

Early approaches laid foundational ideas for quantum gravity

Historical analysis clarifies development of key concepts

Highlights challenges faced in initial quantization attempts

Abstract

I describe the early, from the nineteen sixties, history of attempts at quantizing General Relativity.