Great-grandparents, Maximilian and Eve Jackson Jacoby, 1871.

Great-grandmother Sarah Sondheim, age eighteen, 1868.

Great-grandfather Simon Sondheim at left, off to fight for the Union in the Civil War. (Man at right unknown.)

Great-aunt Geppy Jacoby and her groom, Baron Albrecht von Liebenstein, on their wedding day in New York, 1881.

Great-uncle Harold Jacoby, and his son, Maclear, boating on Long Island Sound, 1897.

Grandfather Oswald Jacoby, age thirty-six, and his first son, my uncle Ozzie, age four, Manhasset, New York, 1906.

Great-grandfather Maximilian Jacoby, at seventy-six, with Uncle Ozzie, age four, 1906.

Grandmother Edith Sondheim Jacoby, age twenty-eight, 1906.

Great-grandmother Sarah Sondheim, Brooklyn, c. 1903.

My father, Robert Jacoby, at age three, with my grandfather, sailing off Long Island, 1917.

Uncle Ozzie, Aunt Edith, and Dad, 1916.

Uncle Ozzie and his first cousin Eve Marion Jacoby, c. 1920.

Uncle Ozzie with Dad on his shoulders, 1927.

At four months with Dad, October 1945.

Dad, Mom, and ten-month-old Susan, Easter, 1946.

Dad, 1948.

At age five with my two-year-old brother, Bob (Robbie).

Mom, Dad, Susan, and Robbie, Museum of Science and Industry, Chicago, 1953.