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 Usama Alshaibi (born in Baghdad, Iraq on November 20, 1969) is an Iraqi-American independent filmmaker and visual artist.

Starting in early 2004, Alshaibi worked on a documentary on his homeland, and its current situation, titled Nice Bombs. The documentary is Alshaibi's first official release and was produced by Alshaibi's wife, fellow filmmaker Kristie Alshaibi, and executive produced by Studs Terkel.

Hiroshi Toda (born 1928) is a Japanese mathematician, who specializes in stable and unstable homotopy theory.He started publishing in 1952. Many of his early papers are concerned with the study of Whitehead products and their behaviour under suspension and more generally with the (unstable) homotopy groups of spheres. In a 1957 paper he showed the first non-existence result for the Hopf invariant 1 problem. This period of his work culminated in his book Composition methods in homotopy groups of spheres (1962).