Identify the historical figure mentioned in the article below.
The famous physicist Albert Einstein was one of the most influential scientists of the 20th century.
The historical figure mentioned in the article is Albert Einstein.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the historical figure mentioned in the article below.

### Input:
The famous physicist Albert Einstein was one of the most influential scientists of the 20th century.

### Output:
The historical figure mentioned in the article is Albert Einstein.