These people belong to what is called the "Silent Generation."

In recent years, the generation that immediately preceded the Baby Boomers has come to be called the "greatest generation."

Yes and no. The generation in between WWI and WWII was called the Silent Generation. The Baby Boomers came after because of the returning GI's. The men and women who fought were the Greatest Generation.

The term "silent generation" was used to describe those born between 1928 and 1945 who were seen as conformist and less vocal in challenging societal norms compared to the preceding and succeeding generations. This generation grew up during a time of economic hardship and war, which influenced their attitudes and behaviors.

The generation before the baby boomers is typically referred to as the Silent Generation or Traditionalists. They were born roughly between 1928 and 1945.