It was named after Cy Endfield, co-inventor of the Microwriter.

Entity and relation annotations:
id: 0
type: entity
value: text: Cy Endfield
labels: <Person>
id: 1
type: entity
value: text: the Microwriter
labels: <Production>
id: 2
type: entity
value: text: co-inventor
labels: <Title>
type: relation
to_id: 1
labels: Person:creates:Production
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0