Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Mary Brennan lives in Santa Fe, New Mexico. She and her husband, Curtiss, moved next door to Dorothy McKibbin, the “Gatekeeper to Los Alamos.”

Brennan has fond memories of Dorothy, who ran the Santa Fe office at 109 East Palace for the Los Alamos National Laboratory. McKibbin hosted many project workers at her house for various social events, including thirty weddings.

The Brennans are the current owners of McKibbin’s house and still reside next door. 

Related Profiles

John Price

​John Price is an environmental manager who has been working on radioactive waste cleanup projects for more than 35 years.

John Adams

John Adams is an American composer of contemporary classical music. After graduating from Harvard in 1972, Adams moved to California, where his compositions began to attract attention.

Curtiss Brennan

Santa Fe, NM

Curtiss Brennan is an American archaeologist who received his PhD in 1978. In the 1970s, he and his wife, Mary, moved next door to Dorothy McKibbin, striking up a friendship with her and eventually becoming the owners of her home when she passed away.

Jennet Conant

Manhattan, NY

Jennet Conant is a bestselling American author and journalist. She is the granddaughter of Manhattan Project administrator James B.