Complex sentence: In the 1970's he conducted acting classes with "The Indian Actors Workshops" and had various acting studios around Los Angeles by the 1990s Glover added an additional story to his hame making in to an acting studio.
Split into simpler sentences: In the 1970s he conducted acting classes with "The Indian Actors Workshops" and had various acting studios around Los Angeles. By the 1990s Glover added an additional story to his home making it into an acting studio.