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John Andrew Dalessandro

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John Andrew Dalessandro



John Andrew Dalessandro


OBITUARY

John Andrew Dalessandro (February 24, 1946 – November 13, 2024) passed away in his San Diego area home, surrounded in love by his two daughters. John had suffered heart failure for many years and ultimately succumbed to its plight. John arrived in Del Mar in 1975 and had made it his home with his now-deceased wife of 52 years, Joyce. He had a long and successful career in mechanical engineering.

Originally from New York, John grew up in Maspeth, Queens in an Italian family. His love for engineering and technology became clear at a young age with his constant interest in disassembling, building, and fixing anything he could get his hands on. He attended Brooklyn Technical High School and went on to an undergraduate education at the Cooper Union. John continued on for his Ph.D. from Cornell University. It was there that he met and fell in love with Joyce.

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After graduation John was recruited out of New York to California. John and Joyce were enchanted by San Diego on that first recruiting visit, and he began work at General Atomics fusion energy program shortly after. He later worked for General Dynamics on superconducting magnets and the Super Collider. Next he joined Archimedes Technologies to work on electromagnetics and reducing nuclear waste. His career came full circle, ending where it began. He once again was working at General Atomics in magnetic analysis. Projects included the Rail Gun and Aircraft Carrier pulse magnetic launch system. He was quiet and gentle, but proud of the work that he accomplished. John is remembered by his coworkers as the “best of them”–if John could not figure it out, no one could. John retired in 2021, after a long and successful career. After retirement, John continued to spend his free time in his favorite place doing his favorite thing, building and fixing in his garage.

John was an involved father to his daughters and grandfather to his 6 grandchildren. His legacy will live on with his many teachings to the family. His unparalleled strengths were both scientific and creative thinking. He was notorious for encouraging everyone to “think outside the box.”

A small family celebration of life was held over the Thanksgiving holiday time. The family asks that, in lieu of flowers, friends and loved ones please consider donating to the Annual Fund for Engineering at his esteemed college, The Cooper Union for the Advancement of Science and Art, in his name, the same as he had done for his entire adult life: https://cooper.edu/.

John is survived by his daughters, Amy Kronk (husband Andrew Kronk) and Summer Dalessandro (husband Adam Vincent), as well as his six grandchildren: Audrey, Mia, and Bradley Kronk and Ali, Jack, and Talia Vincent who will uphold his memory by passing on the stories he shared and the values he lived by every day.



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San Diego, CA

Adobe Falls: The elusive waterfall that briefly returns after San Diego rains

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Adobe Falls: The elusive waterfall that briefly returns after San Diego rains


View of a man standing above Adobe Falls, c. 1918. (Photo and caption info courtesy of the San Diego History Center)

Blink, and you might miss it.

Adobe Falls isn’t Niagara Falls — or anything close — but after winter rains, a seasonal waterfall briefly appears in a narrow Del Cerro canyon, hidden beneath streets, homes, and San Diego State University property.

The waterfall forms along Alvarado Creek, which drains parts of eastern San Diego, including the SDSU area and surrounding neighborhoods. In wet months, runoff moves through a steep canyon and drops over a short rock ledge known locally as Adobe Falls. In dry periods, the flow often fades to a trickle or disappears entirely, leaving exposed sandstone and a shaded canyon bed.

What makes the site stand out is its setting. Above the canyon are Del Cerro residential streets and university property tied to San Diego State. Below it, Alvarado Creek continues west as part of the Mission Valley watershed, eventually feeding into the San Diego River system. Like many urban drainages in San Diego, its flow is shaped by stormwater runoff, paved surfaces, and altered drainage patterns tied to development.

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View of a small wood dam at Adobe Falls in the State College area in 1929. A small pond is on the other side of the wooden dam, and barren hills are in the background. (Photo and caption info courtesy of the San Diego History Center)

Access is restricted. The canyon sits on a mix of SDSU and city-managed land and has long been closed to the public due to safety concerns, including steep terrain, erosion, and unstable footing after rain. Although widely referenced in maps and online posts, it is not an official trail or recreation site.

The canyon itself pre-dates modern development in Del Cerro. It is part of a broader network of inland waterways and canyon corridors used for thousands of years by the Kumeyaay, whose presence shaped movement and settlement patterns across the region.

In the mid-20th century, as Del Cerro developed, homes and roads were built along canyon rims rather than through them, leaving Alvarado Creek intact as a drainage system. Adobe Falls remained within that corridor even as surrounding hillsides filled with residential and institutional development.

Today, Adobe Falls remains a small but persistent reminder that San Diego’s natural drainage systems still function within a heavily built environment — appearing briefly after storms, then receding back into the canyon until the next rain.

Read more history stories here, and do you have a story to tell? Send an email to DebbieSklar@cox.net.

Sources:

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City of San Diego – Stormwater & Watershed Division (Alvarado Creek / Mission Valley watershed)
San Diego State University – planning and environmental impact documentation for adjacent canyon areas
U.S. Geological Survey (USGS) – San Diego County watershed and hydrology mapping (Alvarado Creek / San Diego River system context)
San Diego History Center – Kumeyaay regional land use and inland canyon corridor history
City of San Diego Planning Department – land use records and access restrictions for Adobe Falls area
California State Historic Landmark files – Adobe Falls (Landmark No. 80)



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San Diego, CA

Former City Manager, Jack McGrory: Straight Talk About San Diego, Part 2

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Former City Manager, Jack McGrory: Straight Talk About San Diego, Part 2






Former City Manager, Jack McGrory: Straight Talk About San Diego, Part 2 – OB Rag























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