Who is Walter Lippman from The Image: A Guide to Pseudo-events in America and what is their importance?

Walter Lippman authored the book Public Opinion, in which he worked to differentiate internal and external images. He defines the word "stereotype" as a kind of "simplified pattern". Boorstin asserts that stereotypes are a kind of pseudo-event, and that they are also a form of "propaganda". He says that generally pseudo-events seek to embellish while stereotyping tends to narrow.