Director J. Edgar Hoover, media publisher John S. Knight, and Mina Miller Edison.

Entity and relation annotations:
id: 0
type: entity
value: text: J. Edgar Hoover
labels: <Person>
id: 1
type: entity
value: text: Director
labels: <Title>
id: 2
type: entity
value: text: John S. Knight
labels: <Person>
id: 3
type: entity
value: text: Mina Miller Edison
labels: <Person>
type: relation
to_id: 1
labels: Person:holds_title:Title
from_id: 0