# R3 | openai/gpt-5.4-mini | run 1

## Prompt

Who was awarded the 2020 Nobel Prize in Physics, and for what? Cite your sources.

## Response

The 2020 Nobel Prize in Physics was awarded to **Roger Penrose**, **Reinhard Genzel**, and **Andrea Ghez**. Penrose received one half of the prize **for the discovery that black hole formation is a robust prediction of general relativity**, while Genzel and Ghez shared the other half **for the discovery of a supermassive compact object at the center of our galaxy**. ([nobelprize.org](https://www.nobelprize.org/prizes/physics/2020/summary/?utm_source=openai))

Would you like a one-sentence explanation of each laureate’s contribution?
