Skip to main content

Nonprofit · EIN 86-3746441

PRINCETON EINSTEIN MUSEUM INC

Tax-exempt · PRINCETON, NJ 08540

Financials

$36K$35K2023$74K$37K2024
Revenue Expenses · by fiscal year end
Financials of PRINCETON EINSTEIN MUSEUM INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-EZ$73,641$37,328$36,313$73,944–$73,944
June 30, 2024990-EZ$36,190$34,523$1,667$37,631$0$37,631
Financial details: 990-EZ for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$73,641

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$12,813
Printing, publications and postage
$300
Other expenses
$24,215
Program services (functional)
$42,078

Balance sheet and other

Total assets, start of year
$37,631
Total assets, end of year
$73,944
Total liabilities, end of year
–
Net assets, end of year
$73,944
Cash, savings and investments
$73,944
Gross receipts
$73,641

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-EZ for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
Elizabeth RomanauxFounder and Chair20$0
Riten PatelTreasurer10$0
Deborah BerebichezTrustee6$0
Srini TagalurTrustee6$0
Robert LandauSecretary6$0
990-EZ for the year ended June 30, 2024: 5 people
NameTitleHours / weekCompensation
Elizabeth RomanauxFounder and Chair20$0
Deborah BerebichezBoard Member1$0
Riten PatelTreasurer3$0
Srii DagalurBoard Member0$0
Robert LandauBoard Member1$0

Address and contacts

Address (IRS master file)
26 SYCAMORE PL, PRINCETON, NJ 08540-9202
In care of
% ELIZABETH ROMANAUX
Mailing address (990-N for 2022)
26 Sycamore Place, Princeton NJ 08540
Principal officer (990-N for 2022)
Elizabeth Romanaux, 26 Sycamore Place, Princeton NJ 08540
Signed the 990-EZ
Elizabeth Romanaux, Founder and Chair
Phone
(609) 203-5188

Mission

A STEM museum about Albert Einstein.

990-EZ for the year ended June 30, 2025

Program accomplishments

  • Developed and presented an exhibit on Einstein's brain that was on view for six months in downtown Princeton. Also created second "thinking" exhibit for the Princeton Shopping Center. Together they were enjoyed by some 20,000 people.
    Expenses $41,208 · grants $50,000
  • Spoke to six large audiences about Albert Einstein and this new museum, impacting about 300 people.
  • Offered six afternoons of family science activities as part of the exhibits, including hands-on experiments, take-home worksheets, and a magnet or tattoo for kids. Visited by a total of approximately 750 people.
    Expenses $870 · grants $1,000

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in July, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025July 31, 2026December 15, 2026Not due yet
2024July 31, 2025December 15, 2025Check at the IRS
2023July 31, 2024December 16, 2024Check at the IRS

IRS record

EIN
86-3746441
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2021
Accounting year ends
July
Files
Form 990 or 990-EZ
Assets (IRS master file)
$73,944
Income (IRS master file)
$73,641

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZJune 2025$73,641$37,328$73,944XML
990-EZJune 2024$36,190$34,523$37,631XML
990-N for 2022
Officer: Elizabeth Romanaux
July 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Elizabeth Romanaux
July 31, 2021≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 86-3746441).

Questions about PRINCETON EINSTEIN MUSEUM INC

What is the EIN of PRINCETON EINSTEIN MUSEUM INC?
The employer identification number (EIN) of PRINCETON EINSTEIN MUSEUM INC is 86-3746441.
Is PRINCETON EINSTEIN MUSEUM INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
Are donations to PRINCETON EINSTEIN MUSEUM INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PRINCETON EINSTEIN MUSEUM INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of PRINCETON EINSTEIN MUSEUM INC due?
The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PRINCETON EINSTEIN MUSEUM INC last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended June 2025.
Who is the principal officer of PRINCETON EINSTEIN MUSEUM INC?
The 990-N for 2022 names Elizabeth Romanaux.
Who are the officers and directors of PRINCETON EINSTEIN MUSEUM INC?
The 990-EZ for the year ended June 30, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does PRINCETON EINSTEIN MUSEUM INC have?
On its 990-EZ for the year ended June 30, 2025 it reported revenue of $73,641, expenses of $37,328 and total assets of $73,944 at year end.

Other nonprofits in PRINCETON

All nonprofits in PRINCETON · New Jersey · Arts, culture and humanities