Joseph L. Hartwig, 52, of New Milford, died unexpectedly June 16 at Danbury Hospital. He was the husband of Lisa Hartwig.

He was born in Brooklyn, N.Y., to the late Frank and Theresa Hartwig. He attended school in Brooklyn.

He worked for many years for HART Bus Co., where he was a training supervisor.

In addition to his wife, he is survived by his daughter, Nicole Hartwig, of New Milford; two nephews, Dylan and Devin Genther; and his extended Hartwig family. He was predeceased by a brother, Frank Hartwig.

The Green Funeral Home in Danbury was in charge of the arrangements. Burial was at the Center Cemetery in New Milford.

Memorials may be made to St. Jude's Children's Research Hospital, 501 St. Jude Place, Memphis TN 38105.