Complex sentence: Rose also contributed enough money to build and endow the Rose Polytechnic Institute (now the Rose-Hulman Institute of Technology), which began operations in 1874, and remains to this day one of the few colleges solely dedicated to science and engineering.
Split into simpler sentences: Rose also contributed enough money to build and endow the Rose Polytechnic Institute (now the Rose-Hulman Institute of Technology). It remains to this day one of the few colleges solely dedicated to science and engineering.