John Iverson, 42 & Don Frick, 33 missing persons

John Gordon Iverson was a talented electrical engineer and inventor. His company, Electron Kinetics, produced highly regarded audio amplification systems. Unfortunately, this genius had a dark side. He was a heavy drinker, which hardly improved his already difficult personality. He displayed a crude prejudice against minority groups. He was in the habit of telling colorful, and completely fictitious, stories about his personal life and career. Iverson was, in short, an irritating, perhaps even disturbing man.

In 1991, the 42-year-old Iverson was living in Lake Havasu City, Arizona with one Kathleen Munro. He and Munro had married in 1987, but quickly divorced, supposedly for financial reasons which were never publicly explained. After the divorce, Iverson put all his assets in Munro’s name, for equally obscure reasons. That move of his may--or may not--have been a critical factor in later developments.

Electron Kinetics:
In 1981 John Iverson shot down Electro Research and in 1982 he founded Electron kinetics and made the Eagle A7 amplifier – the Electron kinetics stuff was cheaper and sold well, which is maybe why they do not retain any “legendary” status today, apart from the connection to John Iverson and the mystery around him. They were good amps, but not as special and revolutionary as the Electro Research pieces.

London Bridge (Lake Havasu City):
London Bridge is a bridge in Lake Havasu City, Arizona, United States. When it was built in the 1830s, it spanned the River Thames in London, England. In 1968, the bridge was purchased from the City of London by Robert P. McCulloch. However, McCulloch only had the exterior granite blocks from the original bridge cut and transported to the United States for use in the construction of a new bridge in Lake Havasu City, a planned community he established in 1964 on the shore of Lake Havasu. The only parts of the “New London Bridge” that made it to Arizona were the exterior masonry. The Arizona bridge is a reinforced concrete structure clad in the original masonry of the 1830s bridge. The bridge was completed in 1971 (along with the Bridgewater Channel Canal, separating the peninsula from the mainland), and links mainland Lake Havasu City with Pittsburgh Point. The “rededication” of London Bridge took place on October 10, 1971.

The 1831 London Bridge was the last project of engineer John Rennie, and was completed by his son, John Rennie.

The purchaser, Robert P. McCulloch, was an entrepreneur and real estate developer who founded Lake Havasu City. He installed the bridge to attract tourists and retirement home buyers to his properties there.

The Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over 100 lives. Bills passed by Congress during its construction referred to it as Hoover Dam (after President Herbert Hoover), but the Roosevelt administration named it Boulder Dam. In 1947, Congress restored the name Hoover Dam.

Parker Dam is a concrete arch-gravity dam that crosses the Colorado River 155 miles (249 km) downstream of Hoover Dam. Built between 1934 and 1938 by the Bureau of Reclamation, it is 320 feet (98 m) high, 235 feet (72 m) of which are below the riverbed (the deep excavation was necessary in order to reach the bedrock on which the foundation of the dam was built), making it the deepest dam in the world.

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