Paul Ehorn and John Janzen

Underwater Photographers and Explorers

Paul Ehorn started diving in 1960. He is a shipwreck researcher, hunter, underwater photographer and explorer. He has located and been involved in locating 13 wrecks. Paul has also been involved in raising WWII airplanes from Lake Michigan with A&T Recovery. He is a graduate of the University of Whitewater Wisconsin, where he majored in math and physics. He is a retired code enforcement officer with the city of Elgin, Illinois.


John Janzen is a rebreather and technical diving instructor who has been diving the Great Lakes for 25 years. He has made many notable accomplishments such as the first dives on the stern of the Carl D. Bradley (370 feet), the first entry of the Bradley's engine room and he holds penetration records in submerged tunnels of regional copper and lead mines. In 2007, he and John Scoles recovered the Bradley's bell, which was the deepest artifact recovery ever performed in the great lakes by autonomous divers. The story is told in the Emmy award-winning documentary November Requiem. John has worked as a diver and videographer for National Geographic, NOAA, Wood’s Hole Oceanographic Institution, Michigan State Police, U.S. Coast Guard and The History Channel. Most recently, his videography has been featured in the Great Lake Warriors TV series.


John has written for Wreck Diving and Advanced Diver Magazines, published the Diver's Guide to Lake Wazee and wrote the factory service manual for the Inspiration rebreather. He holds a B.S. degree in Chemistry and is a certified machinist. He works professionally as an Engineer in the defense industry, where he has contributed to many programs including Cray supercomputers, NASA, Navy Research Laboratory, National Missile Defense, DARPA and most recently, in the field of explosives chemistry.

Lake Michigan's Deepest Dive the SS Senator

At 450 feet deep John Janzen’s and John Scoles’ dive on the SS Senator is one of the deepest dives ever done on the Great Lakes. The Senator was discovered by Paul Ehorn who led the project to dive this amazing shipwreck which contains the worlds largest collection of 1929 and 1930 Nash Motors automobiles. An estimated 268 automobiles are lashed in rows inside the hold. Another 250 which were deck cargo and have never been found. Join them for a video tour of this amazing shipwreck and a recount of the dive.