Jack Wakeman is married to Windy Lindoverberg-Wakeman, daughter of Scientific Boys Club member Gordon Lindoverberg. He works as a sailor, a profession requiring periods away from home that strains his marriage. Specific details about his maritime career or employer remain undefined.

Jack participates in the Scientific Boys Club's lifelong ambition: building a vessel to sail to Mars via the "Ethereal Current," a dream born from their childhood fascination with Percival Lowell's Martian theories. He assists the elderly club members in this project alongside his wife, though his precise technical contributions are not detailed.

His relationship with Windy suffers under the strain of his habitual drunkenness and frequent absences. These behaviors stand in contrast to Windy's own intellectual capabilities, as she provides essential mathematical and scientific expertise critical to the Mars mission's success. Jack's personal background, family origins, and physical characteristics are not elaborated upon. Within the documented narrative, no significant evolution or resolution of his character dynamics occurs.