Jane Addams and the Settlement movement.

Teddy Roosevelt's vision of progressivism.

Teddy Roosevelt

Robert La Follette, Sr.

Lochner: Majority opinion

The general right to make a contract in relation to his business is part of the liberty protected by the Fourteenth Amendment, and this includes the right to purchase and sell labor, except as controlled by the State in the legitimate exercise of its police power. Liberty of contract relating to labor includes both parties to it; the one has as much right to purchase as the other to sell labor. There is no reasonable ground, on the score of health, for interfering with the liberty of the person or the right of free contract, by determining the hours of labor, in the occupation of a baker.

Oliver Wendell Holmes, Jr.

Holmes' Lochner dissent.

This case is decided upon an economic theory which a large part of the country does not entertain. If it were a question whether I agreed with that theory, I should desire to study it further and long before making up my mind. But I do not conceive that to be my duty, because I strongly believe that my agreement or disagreement has nothing to do with the right of a majority to embody their opinions in law. It is settled by various decisions of this court that state constitutions and state laws may regulate life in many ways which we as legislators might think as injudicious, or if you like as tyrannical, as this, and which, equally with this, interfere with the liberty to contract. Sunday laws and usury laws are ancient examples. A more modern one is the prohibition of lotteries. The liberty of the citizen to do as he likes so long as he does not interfere with the liberty of others to do the same, which has been a shibboleth for some well-known writers, is interfered with by school laws, by the Postoffice, by every state or municipal institution which takes his money for purposes thought desirable, whether he likes it or not. The 14th Amendment does not enact Mr. Herbert Spencer's Social Statics.

Muller vs Oregon.

That woman's physical structure and the performance of maternal functions place her at a disadvantage in the struggle for subsistence is obvious. This is especially true when the burdens of motherhood are upon her. Even when they are not, by abundant testimony of the medical fraternity continuance for a long time on her feet at work, repeating this from day to day, tends to injurious effects upon the body, and as healthy mothers are essential to vigorous offspring, the physical well-being of woman becomes an object of public interest and care in order to preserve the strength and vigor of the race