Complex sentence: The term "future" was introduced in 1977 in a paper by Henry Baker and Carl Hewitt, although a somewhat similar concept was proposed in 1976 by Daniel P. Friedman and David Wise.
Split into simpler sentences: The term "future" was introduced in 1977 in a paper by Henry Baker and Carl Hewitt. A somewhat similar concept was proposed in 1976 by Daniel P. Friedman and David Wise.