Matthias Schleiden. He stated that the different parts of the plant organism are composed of cells. Thus, Schleiden and Schwann became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry.
Derek Jeter and his wife announced they are expecting their first child on a poignant post on their website Monday. Hannah Jeter said she is expecting a baby girl for which the excited father-to-be has already picked out a name.
Big Bang baby! PHOTOS: Hollywood dads on duty. Simon Helberg and his wife Jocelyn Towne welcomed daughter Adeline on May 8, Helberg's rep confirms to Us Weekly exclusively. This is the first child for The Big Bang Theory star and his actress/writer/director wife. The family is thrilled, a source says.