Question: Who wrote a book named after the demographic cohort following the Lost Generation?

Context paragraphs:
Baby boomers: Baby boomers are the demographic cohort following the Silent Generation.  There are no precise dates for when this cohort starts or ends; demographers and researchers typically use starting birth years ranging from the early-to-mid 1940s and ending birth years ranging from 1960 to 1964.

Millennials: Millennials (also known as Generation Y) are the demographic cohort following Generation X.  There are no precise dates for when this cohort starts or ends; demographers and researchers typically use the early 1980s as starting birth years and the mid-1990s to early 2000s as ending birth years.

Millennials (disambiguation): Millennials (also known as Generation Y) are the demographic cohort following Generation X. Demographers and researchers typically use the early 1980s as starting birth years and the mid-1990s to early 2000s as ending birth years.

Generation X: Generation X, or Gen X, is the demographic cohort following the baby boomers and preceding the Millennials.  There are no precise dates for when Generation X starts or ends; demographers and researchers typically use starting birth years ranging from the early-to-mid 1960s and ending birth years ranging from the late 1970s to early 1980s.

The Greatest Generation: The Greatest Generation is a book and term made popular by journalist Tom Brokaw which describe those who grew up in the United States during the deprivation of the Great Depression, and then went on to fight in World War II, as well as those whose productivity within the war's home front made a decisive material contribution to the war effort.

Generation Y (disambiguation): Generation Y (also known as Millennials) is the demographic cohort following Generation X.  Demographers and researchers typically use the early 1980s as starting birth years and the mid-1990s to early 2000s as ending birth years.

Generation X (disambiguation): Generation X is the demographic cohort following baby boomers.

Generation Z: Generation Z (also known as iGeneration, Centennials, Post-Millennials or Homeland Generation in the U.S.) is the demographic cohort after the Millennials.  There are no precise dates for when Generation Z starts or ends; demographers and researchers typically use the mid-1990s to the mid-2000s as starting birth years, and as of yet there is little consensus regarding ending birth years.

Silent Generation: The Silent Generation is the demographic cohort following the G.I. Generation, roughly those born from the mid-to-late 1920s to the early-to-mid 1940s.

G.I. Generation: G.I. Generation (also known as the WWII Generation, The Greatest Generation in the United States or Federation Generation in Australia) is the demographic cohort following the Lost Generation.  There are no precise dates for when this cohort starts or ends; demographers and researchers typically use the early 1900s as starting birth years and ending birth years ranging from the mid-to-late 1920s.

Supporting paragraphs: G.I. Generation The Greatest Generation
Answer: Tom Brokaw