You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "When did the person that helped van Vleck develop CFT die?" whose answer is March 6, 2005.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Albert Hibbs van Vleck date of death
Useful Output:

Doc 1: Al Hibbs decided as a five-year-old that he wanted to go to the moon. He did qualify as an astronaut in 1967, even though he was seven years over the age limit.
Doc 2: He was 78. Hibbs, who retired in 1986 as director of space science for Caltech's Jet Propulsion Laboratory, died Monday at Huntington Memorial
Doc 3: Albert R Hibbs, veteran space scientist who helped build United States' first earth orbiter, dies at age 78; photo (M)
Doc 4: * University of Wisconsin, Madison (Van Vleck. Assistant Professorship in Mathematics) [PS]. January 1. R H Bing Faculty Fellowship [PS]. Brown University
Doc 5: The van Vleck determinant is a general tool of wide applicability. In a general relativistic context see for instance [25][26][27][28][29],