concepts or facts on the following historical figures in psychological testing

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In one paragraph give at least 5 concepts or facts on the following historical figures in psychological testing:

The origins of personality testing date back to the 18th and 19th centuries, when personality was assessed through phrenology, the measurement of the human skull, and physiognomy, which assessed personality based on a person’s outer appearances.

1. O.K. Buros’ (focus on his contribution to mental measurement)

2. Benjamin Bloom (focus on his contribution to achievement testing)

3. David Wechsler (focus on his contribution to intelligence testing)

4. Starke Hathaway (focus on his contribution to personality testing)

5. Howard Gardner (focus on his contribution to intelligence testing)

6. Robert Sternberg (focus on his contribution to intelligence testing)