T. C. Howard of Synergetics, Incorporated designed the Bubbleator and the exhibit.

Entity and relation annotations:
id: 0
type: entity
value: text: T. C. Howard
labels: <Person>
id: 1
type: entity
value: text: Synergetics, Incorporated
labels: <Organization>
id: 2
type: entity
value: text: the Bubbleator
labels: <Production>
type: relation
to_id: 1
labels: Person:affiliated_with:Organization
from_id: 0
type: relation
to_id: 2
labels: Person:creates:Production
from_id: 0