The Mystery of Matter: Search for the Elements is a 2014 American documentary film, which premiered nationwide on August 19, 2015. The PBS film, in three-episodes of one hour each, was directed by Stephen Lyons and Muffie Meyer.
The film, which took ten years to make, describes the search for the basic chemical elements that form matter by focusing on the lives and times of seven scientific visionaries. Hosted by actor Michael Emerson, the film depicts the creative process of the scientists, with actors describing the process of discovery in the scientists' own words and reenacting their major discoveries using replicas of their original laboratory equipment.
Le documentaire fait état des des recherches des dix dernières années de l'historien Yannick Gendron sur l'identité du véritable fondateur de la ville de Trois-Rivières. Il met en lumière la vie et la carrière de Théodore Bochart du Plessis qu'il identifie comme l'un des principaux responsables de la fondation du fort de Trois-Rivières en 1634. Il retrace ses rencontres avec l’historien québécois Mathieu D’Avignon, le professeur Frank Lestringant de l’Université Paris-Sorbonne et l’historien français Mickaël Augeron.
Groups of various national and ethnic origins arrived seeking their fortune; this documentary focuses on the Jewish presence in California during the Gold Rush. This feature traces the arrival of Jews in the ‘rough and tumble’ West and follows how they settled and grew with the towns and establishing communities, which have grown to become more valuable than gold in a sense.