They took over the company from their mother n 1945 and split it in 1961, a year after their parents gave them the remaining shares. The exact reason for the sp

They took over the company from their mother n 1945 and split it in 1961, a year after their parents gave them the remaining shares. The exact reason for the split is unknown and there has been much speculation about that. Both brothers died a few years ago but the companies are still run by their families.