Complex sentence: Rabbi Nathan Marcus hakohen Adler (13 January 1803--21 January 1890) was the Orthodox Chief Rabbi of the British Empire from 1845 until his death, probably the most prominent 19th century rabbi in the English-speaking world.
Split into simpler sentences: Rabbi Nathan Marcus hakohen Adler (13 January 1803--21 January 1890) was the Orthodox Chief Rabbi of the British Empire from 1845 until his death. Adler was probably the most prominent 19th century rabbi in the English-speaking world.