4x5 field cameras were THE press cameras of the 1930s to 1950s, even into the early 1960s. The Graflex Speed Graphic, for example, was the dominant camera for photojournalists into the 1950s.

https://timesmachine.nytimes.com/timesmachine/1986/06/15/300486.html?pageNumber=55

Weegee used a 4x5 camera for his iconic crime photos, and Joe Rosenthal used one for his iconic shot of the flag raising on Iwo Jima, which won him a Pulitzer.