Sylan's president, Douglas L. Becker, estimated that the contract was worth between $5 million and $6 million.

The president of the society, Dr. Robert S. Rigolosi, estimated yesterday that 5,000 to 10,000 physicians would participate.

Its president, Kenneth R. Weller, estimated the drive would eventually raise up to $1 million.

The president himself has estimated that 512 of Colombia's 1,038 cities have some rebel presence.

Indeed, Eastern was virtually shut down for four months, and its president estimates the strike's cost at $400 million.

The president of one large firm estimated that Wall Street's total losses for the month may have approached $1 billion.

The president estimated the backlog to be about 600,000 unpaid claims.

The president of the city council of Baltimore, MD, recently estimated that his city loses $120 million annually from these foregone taxes.

The president of the university, Gary A. Sojka, estimated that the protest could cost Bucknell up to $100,000 in lost contributions.

Questioned today, the company's current president, Lawrence Isaac, estimated its net worth at $5 million.