Joseph Ludwig, 65.

Highland Park police are asking the public’s help in locating a 65-year-old endangered man who was last spotted at O’Hare Airport in Chicago.

The Illinois State Police has activated an Endangered Missing Person Advisory for Joseph Ludwig.

The Highland Park Police Department is the lead agency in the search for Ludwig, who is 65 years old.

Ludwig has a condition that places him in danger, according to Silver Search Illinois.

Police say Ludwig is a white male who is 6-foot-2 and weighs 285 pounds.

He has gray balding hair and brown eyes and was last seen wearing a dark jacket, plaid shirt, blue jeans and tennis shoes.

Ludwig, who wears glasses, was last seen at O’Hare Airport Terminal 1 at Vestibule 1G, police said.

Anyone with information regarding the whereabouts of Ludwig should contact the Highland Park Police Department at 847-432-7730 or call 911.

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