Though these machines are early forerunners to computer engineering, the calculator failed to be a great commercial success.
These stories are considered to be important early forerunners of the modern detective story.
The method was an early forerunner of electroconvulsive therapy.
These two texts are early forerunners of the genre.
It has been described as an early forerunner of Science Fiction.
Porter described his album as being one of the earliest forerunners in "smooth jazz".
The design is considered an early forerunner to the modern food processor.
Åtvidaberg became early forerunners with their strategy to scout players nationally instead of just locally.
He also invested a great deal of time and energy painting a panorama - an early forerunner to motion pictures.
The case was one of the early forerunners of the insanity defense.