Grandmother of Sephardic Jewish ancestry and managed Belle Chasse, Sen Benjamin's cotton plantation.

[1] The elder Kruttschnitt was a railway engineer who would go on to become the Chairman of the Southern Pacific railroad company, which also laid tracks for their line in Mexico.

[2] After an early education in Belmont, California, Julius Kruttschnitt II went to Yale University, graduating with a B.Phil.

[1] Kruttschnitt was recalled back to Tucson, Arizona in 1912[4] to oversee the company's mining department and remained there until 1930.

In July 1930, Kruttschnitt took a position for ASARCO in Australia as general manager of Mount Isa Mines Ltd, Queensland.

Under Kruttschnitt's management, it would take six years until the mine cleared a profit in 1937 largely due to worldwide ore prices and the need for better extraction and milling methods,[2] and another ten before dividends were paid to investors.

[9] In 1944, he married his secretary Mrs Edna May Roger (née Maxted) in a private ceremony with Presbyterian rites at his home in Mount Isa.

Kruttschnitt was a member of the Australian Atomic Energy Commission's advisory committee on uranium mining from 1953 to 1960.

[16][17] The University of Queensland Julius Kruttschnitt Mineral Research Centre at Finney's Hill, Indooroopilly was named for him in 1971.