Final answer:
The structure of 'You Should Meet Katherine Johnson' is chronological, as it outlines the events of her life and achievements in the order they occurred.
Step-by-step explanation:
The overall structure of "You Should Meet Katherine Johnson" is chronological, because the text presents the important events of Katherine Johnson's life in sequential order. This structure is used to detail her life story, contributions to NASA, and her work that famously included calculating the trajectory for the first moon landing. Rather than comparing her accomplishments with other figures, or describing a specific problem and solution, the text unfolds her life events and achievements as they happened over time.