using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static string ResponsiblePerson { get; set; }

​

    public class Employee

    {

        public string Name { get; set; }

        public string Surname { get; set; }

        public bool IsResponsiblePerson { 

            get { return this.Name == ResponsiblePerson; }

            set {   if (value) ResponsiblePerson = this.Name;

                 else

                 {

                     if (this.Name == ResponsiblePerson)

                         ResponsiblePerson = "";

                 }

                }

        }

    }

    public static void Main()

    {

        List<Employee> employees = new List<Employee>() { new Employee() { Name = "name1" },

                                                                new Employee() { Name = "name2" },

                                                                new Employee() { Name = "name3" } };

​

        Employee emp1 = employees.Where(x => x.Name == "name1").First();

        emp1.IsResponsiblePerson = true;

        Employee emp2 = employees.Where(x => x.Name == "name2").First();

        emp2.IsResponsiblePerson = true;

        foreach (Employee e in employees) 

        { 

                Console.WriteLine(e.IsResponsiblePerson); 

        }

    }

}