Complex sentence: Harold Thomas Hartley (28 October 1851-29 September 1943) was an English mineral water manufacturer, journalist, publisher, and professional organiser of exhibitions who was closely associated with Joseph Lyons and the early development of the J. Lyons and Co. catering company.
Split into simpler sentences: Harold Thomas Hartley (28 October 1851-29 September 1943) was an English journalist, publisher, mineral water manufacturer, and professional organiser of exhibitions. He was closely associated with Joseph Lyons and the early development of the J. Lyons and Co. catering company.