Complex sentence: The Hamilton Company was founded in 1953 in Whittier, California by Clark Hamilton, a chemical engineer who in 1947 had invented the microliter syringe--the first syringe for measuring and pipetting in the microliter range, a ground-breaking device for gas chromatography.
Split into simpler sentences: The Hamilton Company was founded in 1953 in Whittier, California by Clark Hamilton, a chemical engineer. Hamilton had invented the microliter syringe--the first syringe for measuring and pipetting in the microliter range--which became a ground-breaking device for gas chromatography.