Duane Gish
Duane Gish (b. February 17, 1921) is a prolific debater for Young Earth Creationism and a member of ICR, now well into his 80's and retired.
Gish was often viewed as the 'winner' of his debates by friend and foe alike based on audience reaction, especially when considering "style" over "substance." Of course the reasons for why this would occur would be different depending which side the of the issue was answering it. In his later years of debating, Gish would frequently be heckled with cries of "bullfrog!" This is because Gish had frequently made the (untrue) claim that certain human chromasomes are more closely related to bullfrogs than apes -- a statement that is demonstrably false yet which Gish continued to repeat despite being shown it was false on numerous occasions.[1]
So profound was Gish's impact on the debate scene, that sites such as talk.origins actually have articles set up stating not how to debate Creationists in general, but instead how to specifically debate Duane Gish, or at least Creationists adopting Gish's tactics. One of the most infamous of these tactics is what Dr. Eugenie Scott calls "The Gish Gallop"[2] where Gish would make as many scientifically untrue statements as possible in his alloted time, so that the person he was debating would have to use up all of their speaking time to correct as many of Gish's inaccuracies as possible and thus have no time left over to present their own side. This can be especially effective in a timed debate format, as it takes Gish only 10 seconds to say an untruth but often it takes the rebutter 10 minutes to prove the statement is not true.
Dr. Henry Morris wrote of Dr. Gish, who had over 300 formal debates, "at least in our judgment and that of most in the audiences, he always wins." [3]