I am looking for first articles of quantum gravity in the history which before Matyevei. What is earliest articles of quantum gravity and how can ı find them?
Bryce DeWitt is considered the grandfather of modern Quantum Gravity by some scholars.. A thorough review of his literature as well as the literature of John Archibald Wheeler should yield some good results for your research into the historical origins of Quantum Gravity. Good luck! https://legacy.lib.utexas.edu/taro/utcah/00413/cah-00413.html