Final answer:
President John F. Kennedy was the first to make televised White House press conferences a regular event, establishing the importance of television in political communication.
Step-by-step explanation:
The individual who made the televised White House press conference a regular event was President John F. Kennedy.
Kennedy's administration is noted for its effective use of media, particularly television, to communicate with the American public and shape his public image.
This was seen decisively in the first televised presidential debate on September 26, 1960, which showcased the importance of television presence and image in politics.
Moreover, Kennedy's routine of holding televised press conferences played a significant role in the way future presidents engaged with the media and, by extension, the American public.