209 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Paul Siegler
Missing

Case Description

Any updates on this case? Let us know!

Paul Leopold Siegler, 55, was last seen on November 15, 1996, in Concord, New Hampshire. A graduate of St. Paul's School, Paul earned degrees in physics and business administration from the University of New Hampshire and Harvard University. After a successful early life in California, Paul's mental health deteriorated following participation in a NASA weightlessness study in 1976, leading to symptoms of paranoid schizophrenia. He returned to Concord in the late 1970s with his son, Brandyn, and ...Read More
Last Seen: Nov 15, 1996

Links to Additional Sources (2)

See any mistakes? Let us know!

Missing Person / NamUs

Cold Cases | Concord, NH - Official Website

Victim Details

created

Apr 29, 2018

Case Added

Jun 24, 2022

firstname

Paul

lastname

Siegler

Current Age

Age at Disappearance

Height

67 inches

Height To

69 inches

Weight

160 lbs

Weight To

180 lbs

ethnicity

White / Caucasian

gender

Male

Last Seen

Nov 15, 1996

City

Concord

State

New Hampshire

County

Merrimack County

vehicles

301

Agency ID

32566

Agency Name

Concord Police Department

Agency City

Concord

Agency State

New Hampshire

Agency County

Merrimack County

Agency Zip Code

03301

Agency Contact

Agency Address

35 Green Street, New Hampshire

Agency Phone

6032258600

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Case #

06-9467-OF

Primary Agency

Concord Police Department

caseContributors

10533

Hair Color

Gray or Partially Gray

Left Eye Color

Brown

Right Eye Color

Brown

solved

Last Updated

12/15/2025

Area Last Seen:

Forum Posts (3)

Hey everyone, I was looking into Paul Leopold Siegler's disappearance and came across an interesting... ...Read More
11/21/2024

I’ve been following Paul Leopold Siegler’s case and I’m curious about something specific. In m... ...Read More
07/12/2024

I recently came across Paul Leopold Siegler's case, and something stuck out to me that I haven't see... ...Read More
01/13/2023

Other Missing Cases from Concord, New Hampshire

Paul Bonin

Missing: Feb 20, 2014
Paul Bonin, a 50-year-old man from Concord, New Hampshire, was last seen on February 20, 2014. Paul, ...Read More

Jacob May

Missing: Aug 22, 2024
Jacob Benjamin May, age 29, was reported missing after last being seen in Concord, New Hampshire. Hi ...Read More

Christopher Cote