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Here is one link. Your spelling the second name improperly has kept you from doing an internet search. The second name should be Hooper.
**broken link removed**
An intuitive explanation is that this works very much like the cascode circuit. In the cascode the input stages produces small signal output current that is fed into the emitter of a grounded base stage (low impedance). In the C-H the input stage feeds current into a transimpedance amplifier which has nearly zero input impedance.
One amusing sideline is that five years after the famous paper these two authors wrote a 1000 page book on amplifiers and this configuration is not in it.
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